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Boys With ADHD Are at Higher Risk for Brain Injury & Vision Problems

brother and sister 640Studies show that traumatic brain injuries (TBI) occur in approximately 17% of males worldwide.

To determine whether there is a link between inattention-hyperactivity and TBIs, The Canadian Journal of Psychiatry [analyzed] data from 724 Canadian males aged 6-34. They collected information, examined health files and administered a questionnaire to the participants’ teachers on classroom behavior.

This study is the first to show that childhood behaviors, such as inattention-hyperactivity, predicted TBIs. The study also found that boys having sustained a TBI in childhood were more likely to have another one in adolescence.

In addition to headaches, dizziness, nausea and vomiting, TBIs can also impair one’s visual function, typically causing headaches, blurred and double vision, and dizziness, among other symptoms.

At Dr. Terry Tsang Optometry, Inc., we help patients recover their vision through neuro-optometric rehabilitation therapy. By performing specific eye-training exercises designed to retrain the neural processes of the brain. This rewires the brain (neuroplasticity) and treats discomforts or struggles associated with visual dysfunction following a brain injury.

What Is a TBI and How Can It Affect Vision?

Traumatic brain injury is a disruption in the normal function of the brain caused by a jolt, blow, or bump to the head, or harsh head injury, whether from a sports-related injury, fall, or car accident.

This can significantly impact the functioning of the visual system. While certain brain injuries may cause permanent damage to the optic nerve, it’s more common for it to disrupt communication between the eyes and brain.

Post TBI visual problems may include:

  • Double vision
  • Dizziness
  • Headaches
  • Focusing problems
  • Problems with walking and stride

Why Do Boys with Inattention & Hyperactivity Incur More Head Injuries Than Others?

While there’s still a lot we don’t know about the link between Attention Deficit Hyperactivity Disorder (ADHD) and concussion, research shows a few connections.

Children and adults with ADHD tend to have poor impulse control, inattention, difficulty maintaining attention, and high energy levels, all of which places them at risk of getting a concussion.

Additionally, many children diagnosed with ADHD are encouraged to participate in sports to help with social interaction, self-esteem and hyperactivity. While this is beneficial on many levels, if they have poor visual-motor speed, or depth perception they’re more likely to collide with teammates, potentially causing a concussion.

Lastly, research also suggests that ADHD may involve problems with visual or auditory processing that may also contribute to the risk of concussion.

How a Neuro-Optometrist Can Help

Neuro-optometrists offer a customized treatment regimen for people with visual deficits resulting from traumatic brain injuries (TBI). It addresses problems related to eye teaming, tracking, and focusing that can make it difficult to read and complete tasks. By training the brain to communicate with the eyes more effectively, symptoms like dizziness and headaches can be significantly reduced or disappear altogether.

If your child exhibits ADHD behaviors and has experienced a concussion contact Dr. Terry Tsang Optometry, Inc. for a comprehensive eye exam. If vision problems are detected, we’ll offer a personalized treatment program to strengthen any lagging visual skills that may be getting in the way of your child’s quality of life.

 

Q&A

Q: What Is Neuro-Optometric Rehabilitation?

A: Neuro-Optometric Rehabilitation provides a personalized treatment regimen for those who have visual deficits caused by physical disabilities, traumatic brain injuries, and other neurological insults. Neuro-optometry makes use of therapeutic prisms, lenses, filters, and specific vision therapy techniques to reteach the damaged parts of the brain to function better.

Q: How Are Vision Problems Found After a TBI?

A: Visual aberrations following a brain injury tend to be overlooked during the initial treatment, as the patient may have serious, life-threatening issues that require urgent medical attention. Furthermore, symptoms may not even present themselves until some time has passed following the injury. The earlier you see a Neuro-Optometric Rehabilitation Optometrist, the better.

Early diagnosis leads to more efficient treatment.

 

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.


Request A Functional Visual Exam
Find Out How We Can Help You! 949-870-2763

Sports Eye Safety Month – How to Prevent Sports Injuries

skateboard 640Sporting goods stores are full of gear that protects wrists, knees, heads and shins from the impact of a fast-moving ball or a spill from a skateboard.

Unfortunately, many athletes forget that their eyes are just as vulnerable to sports injuries.

Approximately 40,000 sports-related eye injuries occur every year, and many result in permanent vision loss.

The good news is that up to 90% of sports-related eye injuries are preventable if an athlete wears the correct protective eyewear.

At Dr. Terry Tsang Optometry, Inc. we can help you minimize your risk of incurring an eye injury by helping you choose the proper protective eyewear and improving your visual skills.

What is Protective Eyewear?

Protective eyewear is made of ultra-strong polycarbonate, which is very impact-resistant and also protects eyes from UV rays.

There are a variety of different types of protective eyewear for sports: face guards or masks, safety goggles and special eyewear designed for specific sports.

Your optometrist can provide protective eyewear with your prescription, or safety goggles that can be worn over your regular prescription glasses or contacts.

When Do I Need To Use Protective Eyewear?

Everyone, kids included, needs to use protective eyewear whenever practicing or playing a sport that comes with a risk of eye injury.

Some sports with a high risk of eye injury include:

  • Basketball
  • Boxing
  • Wrestling
  • Martial arts
  • Fencing
  • Hockey
  • Baseball and softball
  • Squash
  • Shooting
  • Archery

Other sports with a moderate risk of eye injury include:

  • Golf
  • Soccer
  • Tennis
  • Gymnastics
  • Skiing

All sports, whether they put your eyes at high or low risk of injury, require some type of protective eyewear.

Preventing Sports Injuries with Sports Vision Training

Another effective way to prevent sports-related injuries — and not just eye injuries — is sports vision training. A customized program of eye exercises, sports vision training hones the visual skills needed to play a specific sport. This program teaches the eyes and brain to work together more efficiently and process information faster during a game or race, preventing injuries as a result.

Take peripheral vision as an example. Subpar peripheral vision makes it difficult for athletes to see players or a ball coming toward them from the side. Good peripheral vision lowers the risk of collisions and reduces the likelihood of injury while improving athletic performance.

Whether you play basketball, baseball or tennis, peripheral vision provides athletes with a wide view of the people and objects around them, beyond their central vision.

Studies have shown that football players who participated in a sports vision program sustained fewer concussions. Vision therapy can also help athletes improve their reaction time, processing speed and hand-eye coordination.

At Dr. Terry Tsang Optometry, Inc., we offer safety eyewear and sports vision training to reduce your risk of injury and improve your vision. We treat any vision-related conditions you may have, so contact us to schedule an evaluation.

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

Q&A

 

Q: What is sports vision training?

  • A: Sports vision training is an individualized program that consists of a variety of exercises designed to improve and treat visual function.

Q: Should I or my child wear protective eyewear even if we don’t wear prescription glasses?

  • A: Yes! The American Academy of Ophthalmology recommends wearing protective eyewear for any sport where eye injuries can occur, even for athletes who don’t wear glasses or contacts. Studies show that protective eyewear does not affect a player’s sight and that some athletes play better because they are less afraid of suffering a serious eye injury.


Request A Sports Vision Appointment
Find Out If Sports Vision Is Right For You 949-870-2763

A Guide to Scleral Lenses

Vision And Medicine Concept. Accessories For Contact Lenses: Con

Many people can’t wear standard contact lenses. This is especially true of patients with severe dry eye syndrome, keratoconus, irregular astigmatism, among other conditions.

That’s why eye doctors often prescribe scleral lenses to such patients. These specialized rigid, gas permeable contact lenses have a very wide diameter and extend over the entire corneal surface, making them effective and comfortable for people with irregular corneas.

At first, some patients may find scleral lenses to be difficult to insert and remove. However, after some practice, you’ll find it easy to care for your sclerals!

Safety and Hygiene for Scleral Lenses

Handling scleral lenses incorrectly can increase your risk of eye infection. Additional risk factors include improper lens cleaning, poor hygiene, and smoking. Therefore, it’s important to follow your eye doctor’s instructions on how to handle your lenses hygienically.

Before handling, inserting, or removing scleral lenses, make sure to:

  • Always wash your hands thoroughly with non-oily soap or antibacterial-based pump soap and dry them with a clean lint-free towel or paper towel.
  • Sit at a desk or table and place a lint-free cloth down to insert and remove lenses. Avoid bathrooms, as they often contain more germs than other rooms in the home.
  • Inspect your lenses for chips or cracks and protein deposits on the lens surface. If you notice any defects or are unsure whether your lenses are damaged, don’t wear them until your eye doctor has inspected them.

How to Insert Scleral Lenses

  1. Remove your scleral lenses from their storage case and rinse with them with saline. If you’re using a hydrogen peroxide solution, wait at least 6 hours from when the lenses were placed into the storage case for the solution to neutralize. Always rinse with saline before placing the lens on the eye.
  2. Either place the scleral lens between your middle, forefinger, and thumb — known as the tripod method — or secure the lens to a suction tool (plunger) supplied by your optometrist.
  3. Fill half the bowl of the lens with preservative-free saline solution to prevent air bubbles from forming between your eye and the lens. Insert the lens directly onto the center of your eye in a facedown position.
  4. Dry and wipe your lens case with a tissue and leave the case lid off to air dry.

How to Remove Scleral Lenses

There are two methods to remove scleral contact lenses: with your fingers, or with the aid of a plunger. First, to detach your scleral lenses from your eye, press firmly with your finger on your bottom eyelid just below the edge of the lens, then push upwards.

Method 1 – Manual Removal

  1. Try Scleral Lenses Thumbnail.jpg

    Insert a drop of preservative-free saline solution or artificial tears to loosen the lens.

  2. Look down onto a flat surface (a mirror or towel can be placed there).
  3. Use your middle finger to open your eyelid wider than the lens diameter.
  4. Apply pressure to the middle of the lid — as close to the lashes as you can — and push down on the eyelid to move your eyelid under the lens and lever it off the eye.

Method 2 – Suction Tool

  1. While looking at a mirror in front of you, hold your bottom lid open. Wet the tip of the suction tool to allow for better adhesion and attach it to the bottom of the lens.
  2. Using the suction tool, remove the lens by tilting the lens up and out of the eye.

How To Care for Your Scleral Lenses

The number one rule in contact lens care is always to follow the professional advice of your optometrist. If you need any clarification, always contact their office first.

Never ever use tap water in any area of lens care, whether to rinse or fill your lens case. Tap water contains a multitude of dangerous microorganisms, including acanthamoeba, that can cause a severe, painful, and sight-threatening infection. Be sure that your hands are fully dry after using a lint-free towel prior to handling your lenses.

Remove Before Going to Sleep

Most people can comfortably wear scleral contact lenses for up to 12-14 hours at a time. Approximately an hour before going to sleep is the best time to remove the lenses. If your lenses fog up in the middle of the day, it’s best to remove them and try various methods to clear up the fogginess before reinserting.

Use a Peroxide Cleaner

You can sterilize your scleral lenses by immersing them in 3% hydrogen peroxide. Over a period of 6 hours, the catalyst in the case transforms the hydrogen peroxide into water and oxygen gas. This gives your lenses a deep clean and removes the need to rub them, thus decreasing the risk of accidental breakage. Do not use the lenses until they have been immersed for 6 hours, as the un-neutralized peroxide will painfully sting your eyes. Leave the lens case to dry when not in use.

Use a Filling Solution That Is Preservative-Free

When inserting scleral lenses, use unpreserved sterile saline solution by filling the bowl of the lens upon insertion. Don’t use tap water or a preserved solution as these can lead to an eye infection.

Remove Debris Using Multi-Purpose Lens Solution

Once you’ve thoroughly washed and dried your hands, remove your scleral lenses and rub them for 2 minutes in a contact lens case filled with saline solution. This effectively removes microorganisms and deposits, lowering your risk of infection. While scleral lenses are strong, too much force or an incorrect technique can cause them to break.

After rubbing your lenses, thoroughly rinse them using the solution for 5-10 seconds. Then place them in a case filled with fresh solution and leave them to disinfect for at least 4 hours.

Routinely Clean and Replace Your Lens Case

Regularly clean and replace your lens case to prevent infection due to bacterial contamination.

It is recommended to clean the storage case on a daily basis and to replace it monthly or as advised by your eye doctor.

Your optometrist will recommend when to get a new pair of scleral lenses, and will advise you when to schedule follow-up appointments. Failure to show up for scheduled appointments can compromise the lenses’ efficacy.

At Dr. Terry Tsang Optometry, Inc., we can recommend the best wearing schedule for your contact lenses to ensure the highest level of comfort and visual acuity. Always follow the instructions provided by your eye care professional. Call to schedule an eye exam and a scleral lens fitting today.

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

Q&A

 

Q: Why do I need to use preservative-free solutions to fill the lens?

  • A: Long-term exposure to preservatives can cause corneal toxicity or sensitivity that results in irritation and redness.

Q: How long do my application and removal plungers last?

  • A: Plungers should be replaced every 3 months, or sooner if necessary.


Request A Scleral Lens Appointment
Can Scleral Lenses Help You? Find Out! 949-870-2763

Why Bother With Myopia Control?

Boy Trouble LearningMyopia control is a hot topic these days — and for good reason. More and more parents are providing their nearsighted children with myopia control treatments in hopes of slowing down the rapid progression of this very common refractive error.

Is myopia control worth all the effort? Why not just get new glasses every time your child needs a higher prescription? Is childhood myopia really that big of a deal?

Below, we’ll answer these important questions so you can make informed decisions and feel confident about your choices. If your child has myopia, contact Dr. Terry Tsang Optometry, Inc. to learn more about how we can help.

Myopia Is Not Harmless

Myopia is far more than just blurry distance vision. What many don’t realize is that it can seriously impact a child’s long-term eye health.

A child with myopia is significantly more likely to develop sight-threatening diseases, such as glaucoma, cataracts, retinal detachment, and macular degeneration, later in life.

Because the cause of myopia is an elongated eye, the stretching of the eye takes a toll on the retina (the light-sensitive lining at the back of the eye). Over time, the stressed retina is more prone to damage and tearing.

Your Child’s Lens Prescription Matters

Suppose your child’s lens prescription is -3.00D (mild to moderate myopia). Although you may think that it’s too late for myopia control at this point, research suggests otherwise.

The level of myopia a child has is directly correlated to their risk of eye disease — the higher the myopia, the greater the risk.

A child with myopia that’s between -0.75D and -3.00 is more than 3 times more likely to develop retinal detachment in the future. That number triples for individuals with high myopia (-5.00 and above).

The risk of myopic maculopathy is also influenced by the level of a child’s nearsightedness. Children under -5.00 have just a 0.42% of developing this serious eye condition, but anything above -5.00? That risk level leaps to 25.3%.

Slowing down or stopping your child’s eyesight from worsening will greatly increase their chances of having a healthy vision in adulthood. Halting myopia as early as possible renders the best outcome.

Myopia Is On The Rise

This is the time to act. With myopia cases escalating exponentially, it’s expected that about half of the world’s population will be nearsighted by 2050, and about 10% of those individuals will have high myopia.

Offering your child myopia control now can potentially prevent them from being part of that 10% in 2050.

If your child has myopia or is at risk of developing it, we can help! To schedule your child’s myopia consultation, contact Dr. Terry Tsang Optometry, Inc. today.

Q&A

 

Q: #1: How do I know if my child is at risk of developing myopia?

  • A: If one or both parents have myopia, a child is predisposed to becoming nearsighted. Other factors that influence myopia include excess screen time, not enough time spent in the sunlight, and being of a certain ethnicity (people of Asian or Pacific Islander descent have the highest risk).

Q: #2: What treatments are used for myopia control?

  • A: The 3 main treatments are atropine eye drops, orthokeratology (Ortho-k) contact lenses, and multifocal contact lenses. Your optometrist will help you decide which method best suits your child’s eyes and lifestyle.

 

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.


Request a Myopia Management Appointment
Want To Discuss Myopia? Call 949-870-2763

Can Vision Therapy Help Myopia?

Can Vision Therapy Help Myopia 640You may have heard of vision therapy in the context of helping adults and children with a lazy eye, eye turn, or learning difficulties.

But did you know that in some cases, vision therapy may also be effective in preventing, reducing, or slowing myopia (nearsightedness)?

While it’s true that scientists haven’t yet found a cure for myopia, vision therapy may help by targeting certain contributing factors of myopia.

To assess whether vision therapy is right for your child, call Dr. Terry Tsang Optometry, Inc. in Irvine today.

But First, How Does Vision Therapy Work?

To give you a better sense of what vision therapy is, here are some facts. Vision therapy:

  • Is a non-invasive set of visual exercises tailored to your specific needs
  • May involve the use of specialized prisms or filters, computerized aids, balance beams, and other therapeutic tools
  • Trains the brain and eyes to work as a team
  • Develops visual skills like eye tracking, teaming, accommodation, convergence, visual processing, visual memory, focusing, and depth perception
  • May involve an at-home component, like daily visual exercises
  • Is evidence-based. Published data has shown that it can be an effective program to improve reading, learning, overall school and sports performance

How Does Vision Therapy Relate To Myopia?

While vision therapy may not be able to fully reverse or treat myopia, some nearsighted people appear to benefit from it.

Some vision therapists have reported patients’ myopia improvement during or after the vision therapy process. This may be due to a strengthened visual skill called accommodation—the eyes’ ability to maintain clear focus on objects. Poor focusing skills have been linked to myopia. In fact, research shows that having an accommodation lag (when the eyes can’t pull the focus inwards enough to clearly see a very close object) could be a risk factor for myopia development and progression. That said, it’s worth noting that research findings are still mixed on this matter.

Accommodative spasm, also known as “pseudo-myopia,” occurs when the eyes lock their focus on a near object and then have difficulty releasing the focus to view distant objects. The reason this is considered a false myopia is because it has to do with the focusing mechanism of the lens rather than the elongation of the eye, the main characteristic of myopia.

Pseudo-myopia can be treated with vision therapy, assuming the accommodation spasm is the only culprit for blurred distance vision. In this case, the patient may no longer need to wear prescription lenses for vision correction following a successful vision therapy program,

So what’s the bottom line?

In some cases, vision therapy may be able to improve a person’s blurry vision—but research on the subject is ongoing.

If you or your child has myopia and you’re curious as to whether vision therapy can help, schedule a functional visual assessment for your child.

To schedule your appointment with Dr. Terry Tsang, call Dr. Terry Tsang Optometry, Inc. today.

Frequently Asked Questions with Dr. Terry Tsang

 

Q: #1: Who can benefit from vision therapy?

  • A: Children and adults with visual dysfunction can benefit from a personalized program of vision therapy. Visual dysfunction can manifest in many ways, including—but not limited to—behavioral and learning problems, coordination difficulties, headaches, dizziness, nausea, anxiety, and attention deficits.

Q: #2: Do all optometrists offer vision therapy?

  • A: No. You should only seek vision therapy from a qualified optometrist experienced in offering vision therapy for a variety of visual disorders. Other types of therapists sometimes claim to offer vision therapy, but only an eye doctor can prescribe the necessary visual treatments for optimal results.
  • Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, Mission Viejo, and throughout California.

Request A Functional Visual Exam
Find Out How We Can Help You! 949-870-2763

What’s the Connection Between Sleep Apnea, Concussion, and Your Vision?

Sleep Apnea 640A recent comprehensive sleep study on people with post-concussion syndrome showed that 78% were diagnosed with sleep apnea.

What came first: the concussion or sleep apnea? Determining the answer can be difficult. People who don’t get enough sleep already exhibit some of the symptoms of post-concussion syndrome even when they haven’t had one.

What we do know is that there is a connection between sleep apnea and concussion. Sleep apnea affects the recovery from a concussion, and at the same time, the condition may result from a traumatic brain injury (TBI).

Where does vision come in?

Sleep Apnea and Concussions

For those having sustained a concussion, sleep is very important for a speedy and thorough recovery. A poor night’s sleep, as in the case of sleep apnea, may lead to impaired decision-making, cognitive loss, and symptoms of depression—all of which can interrupt the recovery process.

Obstructive sleep apnea, the most common form of sleep apnea, is caused by a physical collapse or blockage of the upper airway that interrupts breathing during sleep. This also reduces blood and oxygen flow to the brain, making it difficult for those with a concussion to recover.

A lesser known type of apnea is central sleep apnea. Unlike obstructive sleep apnea, this type is caused by a dysfunction in the brain that regulates breathing and sleep, which could also be affected by a TBI.

Sleep Apnea and Vision

As we all know, getting a good night’s sleep is essential to good health. There are a number of eye conditions that are exacerbated by poor sleep patterns and therefore may be associated with sleep apnea.

These include:

  • Floppy eyelid syndrome
  • Nonarteritic anterior ischemic optic neuropathy
  • Papilledema
  • Glaucoma
  • Swelling of the optic nerve
  • Retinal conditions

Getting your eyes checked regularly is important as it allows your eye doctor to rule out any eye disorders and prevent potential vision loss. This is all the more important if you’ve been diagnosed with sleep apnea.

Concussions and Vision

Concussions can have a significant impact on the functioning of the visual system. Post-trauma vision syndrome is a group of symptoms that cause eye coordination problems, dizziness, and blurred vision after a concussion.

The symptoms of post-trauma vision syndrome can include:

  • Headaches
  • Double vision
  • Dizziness
  • Focusing problems
  • Problems with walking and stride

Severe concussions can cause double vision and blindness, while mild concussions can affect vision and cause visual dysfunction.

How a Neuro-Optometrist Can Help

Neuro-optometrists can help post-TBI patients in ways that other health care providers may not be able to.

Neuro-optometry deals with how the visual system impacts daily functioning. By training the brain to control and communicate with the eyes more effectively, symptoms like headaches and dizziness can be significantly reduced or disappear altogether.

If you have experienced a concussion or suspect you may have sleep apnea, contact Dr. Terry Tsang Optometry, Inc. to follow up on a diagnosis and treatment for any vision problems you may be having due to either condition.

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

Frequently Asked Questions with Dr. Terry Tsang

Q: What’s the connection between sleep apnea, concussion, and your vision?

  • A: After sustaining a concussion, you may begin to experience sleep apnea. This not only affects the healing process but your vision as well.

Q: Is there a way to treat vision problems due to a concussion?

  • A: Yes. Neuro-optometric rehabilitation therapy can retrain the brain to relieve dizziness, headaches, double vision, and other TBI-related problems.


Request A Functional Visual Exam
Find Out How We Can Help You! 949-870-2763

The Importance of Binocular Vision in Sports

The Importance of Binocular Vision in Sports 640Binocular vision is the ability to create a single image with both eyes while maintaining visual focus on an object. Sometimes our eyes fail to integrate visual information into one coherent image. This integration is important, as it allows athletes to perceive three-dimensional depth and relationships between people or objects, such as another player or a ball.

Since each eye is in a different position relative to any object, the eyes convey slightly different spatial information and send these varying images to the brain. The brain then uses the differences between the signals from the two eyes to accurately judge depth, speed, and distance.

When binocular vision isn’t operating at peak capacity, it impacts an athlete’s reaction time and the speed and accuracy of their movements.

Reduced binocular vision doesn’t mean that athletes are constantly falling over or fumbling. What it does mean, however, is that they may misjudge the velocity or direction of a ball, or collide more with other players.

How Does Reduced Binocular Vision Affect Athletes?

When our brain and eyes don’t work efficiently as a team, especially while playing sports, it can affect timing, depth perception, reactions, accuracy, and speed.

Visual deficits hinder how an athlete responds to what they see. If there is an issue with a player’s vision, there will most likely be an issue with their balance and body awareness.

Visual Skills Needed For Sports

There are many visual skills athletes need to perform their best during a game.

Accommodation – is the eyes’ ability to change their focus from distant to near objects and vice versa. For example, when a football player looks at other players coming toward them, then shifts focus to the ball on the field.

Binocular Vision – is the ability to maintain visual focus on an object, creating a single visual image with both eyes. Without binocular vision athletes cannot accurately measure distance and depth.

Depth Perception – is the ability to distinguish the distance to, or between, objects. This is important for athletes when they need to hit or interact with moving objects.

Dynamic Visual Acuity – the ability to see a moving object when a player is stationary, or when the object is still and the athlete is in motion. It’s the eyes’ ability to visually discern detail in a moving object, such as a player’s number on a jersey.

Peripheral Vision – is the ability to see objects and movement outside of your direct line of vision. This is important for athletes, especially when they need to run down a field and be able to see other players coming at them from all directions.

Saccades – quick, rapid, simultaneous eye movements between two or more stationary objects in the same direction. For athletes it’s important to be able to see stationary objects, such as a hoop at the end of the court.

Smooth Pursuits – reflexive eye movements that are required when tracking an object through an environment, such as a flying ball. Instead of the eye moving in jumps, it moves smoothly.

Sports Vision Training

Sports vision training can improve all the visual skills an athlete needs to succeed at their game. Even if an athlete has ‘20/20 eyesight’ they may still have reduced binocular vision, and sports vision can help improve any lagging visual skills. Sports vision is an individualized training program that focus on improving visual skills so that athletes can improve their performance.

The ability to enhance an athlete’s sports vision skills is a proven way to improve performance. To learn more about how sports vision training can help you reach your goals, contact us at Dr. Terry Tsang Optometry, Inc. today.

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

Frequently Asked Questions with Dr. Terry Tsang

 

Q: What is sports vision training?

  • A: Sports vision training is a customized program that improves the communication between your brain, eyes, and body. It helps athletes process information more accurately and react faster to what they see on the field.

Q: Why is sports vision training important?

  • A: Athletes in visually demanding sports need to have exceptional visual skills. This is true for all sports, where the ability to focus, react quickly, and move fast can mean the difference not only between winning and losing, but between incurring an injury and staying safe.


Request A Sports Vision Appointment
Find Out If Sports Vision Is Right For You 949-870-2763

4 Common Myopia Myths Debunked

4 Common Myopia Myths Debunked 640Myopia (nearsightedness) occurs when the eye elongates and rays of light entering the eye are focused in front of the light-sensitive retina rather than directly on it.

It’s by far the most common refractive error among children and young adults.

To help understand and learn more about what myopia means for your child’s vision, we’ve debunked 4 common myopia myths.

Myth: Myopia only develops in childhood

Fact: While it’s true that in most cases nearsightedness develops in childhood, it can also develop during one’s young adult years.

Myth: Wearing eyeglasses or contact lenses cause myopia to worsen

Fact: Prescription eyeglasses and contact lenses in no way exacerbate myopia. Optical corrections help you see comfortably and clearly. Another common misconception is that it’s better to use a weaker lens power than the one prescribed by your eye doctor. This is simply not true. By wearing a weaker lens you are contradicting the purpose of using corrective eyewear, which is to comfortably correct your vision.

Myth: Taking vitamins can cure myopia

Fact: Vitamins have been proven to slow the progression of or prevent some eye conditions, such as age-related macular degeneration (AMD) or cataracts. However, no vitamin has been shown to prevent or cure myopia. All vitamins and supplements should only be taken under the advice of your healthcare professional.

Myth: There is no way to slow the progression of myopia.

Fact: There are a few ways to slow down the progression of myopia:

Get more sunlight. Studies have shown that children who spend more time playing outdoors in the sunlight have slower myopia progression than children who are homebodies.

Take a break. Doing close work, such as spending an excessive amount of time looking at a digital screen, reading, and doing homework has been linked to myopia. Encouraging your child to take frequent breaks to focus on objects farther away can help. One well-known eye exercise is the 20-20-20 rule, where you take a 20-second break to view something 20 feet away every 20 minutes.

Other options to slow myopia progression include:

  • Orthokeratology/Ortho-k. These are specialized custom-fit contact lenses shown to decrease the rate of myopia progression through the gentle reshaping of the cornea when worn overnight.
  • Multifocal lenses offer clear vision at various focal distances. Studies show that wearing multifocal soft contact lenses or multifocal eyeglasses during the day can limit the progression of myopia compared to conventional single vision glasses or contact lenses.
  • Atropine drops. 1.0% atropine eye drops applied daily in one eye over a period of 2 years has shown to significantly reduce the progression of myopia

Prevent or slow the progression of your child’s myopia with myopia management. Contact Dr. Terry Tsang Optometry, Inc. to book your child’s consultation today!

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

Frequently Asked Questions with Dr. Terry Tsang

Q: Can myopia be cured?

  • A: Currently, there is no cure for myopia. However, various myopia management methods can slow its progression.

Q: How much time should my child spend outdoors to reduce the risk of myopia?

  • A: Make sure your child spends at least 90 minutes a day outdoors.


Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

 

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Common Visual Symptoms to Watch for in Children

kid playing outside 640People often believe that if a child has 20/20 vision, they have perfect eyesight. This isn’t always the case. Having 20/20 eyesight refers to the ability to see clearly from 20 feet away. This doesn’t guarantee that a child has the visual skills needed to read properly, pay attention in class, writing, and other tasks required for academic success.

It may surprise you that many students who show signs of a learning difficulty actually have a vision problem. According to the National PTA, approximately 10 million school-age children suffer from vision problems that make it more difficult for them to learn in a classroom setting.

If your child is struggling in school, Dr. Terry Tsang can determine whether the problem is related to their vision and provide a vision therapy program to help them succeed.

Vision Screenings vs Comprehensive Eye Exam

While school vision screenings might detect significant lazy eye or myopia, they miss many other vision problems, such as issues with focusing, depth perception, or eye tracking.

A comprehensive eye exam, on the other hand, checks for farsightedness, nearsightedness, astigmatism, eye focusing abilities, eye tracking, eye focusing, visual skills, binocular eye coordination, and visual processing.

What Signs Should Parents and Teachers Look For?

Below is a list of signs and symptoms indicating that a child may be experiencing vision difficulties:

  • Difficulty paying attention
  • Complains of frequent headaches
  • Difficulty with comprehension
  • Complains of double or blurry vision
  • Makes errors when copying from the board
  • Reads below grade level
  • Holds reading material close to the face
  • Reverses words or letters while reading or writing
  • Loses place or skips words when reading
  • Confuses or omits small words while reading
  • Rubs eyes
  • Slow to finish written assignments
  • Frequently squints
  • Tilts head or covers one eye
  • Spelling difficulties
  • Uses finger pointing when reading

How Does Vision Therapy Help?

Vision therapy is a personalized treatment program designed to strengthen and improve your child’s visual skills.

Each vision therapy program is customized to your child’s needs and may include specialized lenses, filters, or prisms, alongside personalized eye exercises to help retrain the brain-eye connection and improve your child’s school performance.

If you think a vision problem may be affecting your child’s academic performance, vision therapy may provide them with the necessary visual skills to succeed in school.

Frequently Asked Questions with Our Vision Therapist in Tustin, California

Q: How do vision problems impact learning?

  • A: A child’s vision problem can impact all aspects of learning. Often, children with vision problems are told they have a learning difficulty, when in fact, their brain isn’t properly processing what their eyes see. Vision problems can affect a child’s reading skills and comprehension, handwriting, spelling, classroom performance, concentration and attention, and visual skills.

Q: Does my child have a vision problem?

  • A: Discovering a vision problem in children can be difficult, as they may lack the verbal skills to describe what they’re experiencing or may not realize that they have a vision problem.Common indicators that your child may have a vision problem include:
    – Covering one eye
    – Behavioral problems
    – Reading avoidance
    – Difficulties with reading comprehension
    – Frequent blinking
    – Excessive fidgeting
    – Limited attention span
    – Reading below school grade level
    – Tilting head to one side



If your child displays any of these signs, make sure you set up a visit to an eye doctor at Dr. Terry Tsang Optometry, Inc. to evaluate their visual skills and find out whether your child could benefit from vision therapy.

Dr. Terry Tsang Optometry, Inc. serves patients from Tustin, Lake Forest, Newport Beach, and Mission Viejo, all throughout California.

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Tips For Wearing Scleral Lenses

Pretty Cheerful Woman Gesturing With Two Fingers Near Eyes. Youn

Scleral lenses are ideal for patients with corneal irregularities, dry eyes, and hard-to-fit eyes. Their uniquely large circumference offers the best in visual comfort and clarity. But wearing and caring for your scleral lenses can take some getting used to.

Below are our top 5 tips for anyone who wears scleral lenses. If you have questions about scleral lenses or any other optometric matter, Dr. Terry Tsang Optometry, Inc. in Irvine is here for you.

1. Lens Hygiene is Top Priority

Keeping your scleral lenses hygienic and free of buildup is key in ensuring the clearest possible vision. When you remove them from your eyes, rub them for several seconds with lens cleaner to remove surface debris and bacteria. Then, rinse them on both sides with saline solution before storing them.

Another hygiene tip: Before handling your lenses, be sure to wash your hands with soap and water, and to rinse and dry them with a lint-free cloth or paper towel. Good hygiene will significantly minimize possible complications and keep your eyes feeling fresh.

2. Manage Your Dry Eye

Many patients with dry eye syndrome (DES) choose to wear scleral lenses for their hydrating and soothing properties. While sclerals can offer substantial relief from their dry eye symptoms, patients shouldn’t forget to seek treatment for their DES.

That’s because scleral lenses help manage dry eye, but don’t actually treat it. So, it’s best to follow up with your eye doctor about any eye drops, medications, or at-home remedies to support healthy tears.

3. Use a Cotton Swab For Cleaning

Patients with long fingernails can find it challenging to thoroughly clean their scleral lenses. Rubbing the inside bowl of the lens with a cotton swab and cleaning solution can effectively remove the buildup from the lens. Then, rinse off the cleaning solution with saline to remove the cleaning solution and any lint from the cotton swab.

4. Try Different Insertion Tools

Is your current insertion method not working as smoothly as you’d like? No worries! Ask your eye doctor about different tools you can use, such as the O-ring or applicator ring.

But please only insert your lens with tools that your eye doctor recommends!

5. Follow Up With Your Eye Doctor

Because scleral lenses are customized, they often require a few visits with your optometrist to optimize their fit. Even after the fitting process is complete, follow-ups will help ensure that your lenses are still in good condition.

If your scleral lenses are giving you any trouble at all, we can help. To schedule your scleral lens consultation, call us today!

Dr. Terry Tsang Optometry, Inc. serves patients in Tustin, Lake Forest, Newport Beach, Mission Viejo, and throughout Tustin.

Frequently Asked Questions with Our Scleral Lenses Expert in Tustin, California:

Q: How do scleral lenses work?

  • A: Scleral lenses rest and vault over the entire sclera (white of the eye), encasing a hydrating reservoir in between the lens and the cornea (front surface of the eye). This allows people with irregular corneas to wear contact lenses, since the lens isn’t in direct contact with the cornea itself.

Q: How long do scleral lenses last?

  • A: Scleral lenses generally last 1-2 years, depending on how well you care for them and how your tear film reacts with them. Even so, check-ups every 6 months are recommended to ensure they still fit well and provide clear vision.


References

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