Category Archives: Children’s Vision and Eyewear

Children and Digital Media


Sleeping with cell phones or tablets can lower the quality of sleep states a medical article in  Univadis publication. This can be an important concern to all people and especially the young. The article states nearly 1/5th of all children sleep with their cellphones and quality of sleep may affect their health and immune system.

A recent CNN article reports a study by the American Academy of Pediatrics which sets guidelines. The academy recommends that for children 2 to 5 years of age, screen time should be limited to one hour per day.


For kids ages 6 and older, parents can determine the restrictions for time spent using screen, as well as monitor the types of digital media their children use.

Babies are most vulnerable to screens. Infants aged 18 months and younger should not be exposed to any digital media, the academy says.

Digital media has opened the door to wonderful access to knowledge. However, like anything in life, moderation is the key and protecting children from undo eyestrain and poor sleep.


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When Do I Need Special Computer Glasses?


With so much use on computers these days, it’s no wonder that our eyes can often get tired and fatigued.  Computers themselves aren’t dangerous to our eyes but since we all often keep working without breaks our focusing system often gets pushed to its max.

Long term use of computers often requires a specialized computer prescription set designed optimally for your eyes to focus at the distance where they spend a lot of time.

Even though you may see 20/20 and clearly, that is not necessarily a measure of how long your eyes can endure over hours of close work.

Progressive1LensPeople who wear progressive lenses for far and for reading rarely can perform correctly at a desktop computer as their near reading correction is at the bottom of their lens. In order to see correctly at a desktop monitor as person with progressive lenses will have to turn their head up. Besides being extremely inefficient, neck muscles will tense and may cause a type of ‘carpal tunnel’ type repetitive injury to your neck.

For that reason, all people wearing progressive lenses who work at a desktop monitor need to get a specialized pair of glasses optimized so they can look straight ahead without tilting their neck.

A specialized computer eyeglasses are generally just one power throughout the entire lens which is optimized for eye comfort  at your particular computer working distance.

Even younger people who spend 6 to 10 hours a day at computers often have small focusing issues often gradually start causing early fatigue.  These people may also need a specialized digital media prescription to help improve their comfort and performance.




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Why an Eye Exam? My Child Seems Fine!

“Why does My Child need an eye exam?

                 She/He seems to see just fine!”

eye teaming


This is an understandable question to ask because it just makes sense that a child would notice a problem  if glasses were needed. Unfortunately, for many reasons, this is not often the case.  For one, children do not have a strong frame of reference for what actually IS normal.

What can seem like lack of attention for learning reading or slow reading and/or poor comprehension may actually be a result of a ‘hidden’ eye problem.

Even when each eye can see clearly at distance, there still can be a significant problem where the eyes are actually struggling to try and clear up letters while reading.  We all intuitively know that if things are blurry then glasses make sense. But, the most challenging yet overwhelmingly significant issue with learning may be lack of focusing endurance and quick fatigue because of it.

There is often much confusion about what the term ‘lazy eye’ actually means.  Specifically, a lazy eye is one that turns in or out and does not coordinate with the other eye.  That is an important issue to diagnose and treat. Yet, the MOST significant issue for a child is to make sure that each eye has 20/20 vision. If not, then there is no way the eyes are going to ever coordinate together.

Most studies have determined that by about 8 years old, if the eye has not had  clear 20/20 vision, the retina never develops in life to allow for 20/20 vision later on in life.  That means there is a critical period where your child’s eyes are risk for a problem that can typically be easily helped but later on past age 8, nothing much can help improve their vision. When an eye cannot be corrected to 20/20 vision, it is termed ‘amblyopia’.

Also, if your child is struggling to read because of needing reading glasses, then not only will she/he perform poorly but your child will feel failure early on unnecessarily and see school as something they are not good at.

Children’s eye exams are generally very simple and straightforward.  Your child need not even know their letters as there are symbol cards to access acuity.  Also, while your child sits on your lap if they like, a computerized instrument can determine what prescription needed with about 98 percent accuracy without your child needing to respond.

Eye teaming skills, color vision, depth perception are all easy to determine and yet so imperative to insure your child has healthy eyes.  Most often, children to not need to be dilated or have a glaucoma test done which are usually the most uncomfortable procedures for adults.

Click HERE to visit specific information about children’s vision and eye exams at San Anselmo Optometry website.

Please contact Royce at 415-747-8191 to schedule your child’s eye exam or call your current eye doctor and schedule an appointment there.



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UV Protection for Adults and Children

Venus Passes in Front of Sun
Venus Passes in Front of Sun

We all know  about protecting our skin from UV radiation and the dangers of skin cancer  but do you realize that reducing  UV radiation is important to your eye health?  UV causes or aggravates many eye conditions; cataracts, photokeratitis, pinguecula and pterygium and age related macular degeneration.

UV and The EyeIt’s important to keep large amounts of UV from our eyes. One commonly overlooked area is UV protection for children.  One study concluded that over 50 percent of the UV damage done to our eye is done before the age of 17 years old.  Children generally have much larger pupils than when they are adults.   For instance, a  2 mm diameter pupil would  let in light through an opening of about 3 sq mm  whereas just 1 mm increase in diameter to a 3 mm pupil would be an opening of over 4.7 sq mm ! ;   over a 50 percent increase in UV going into the eye with just a 1 mm pupil diameter.

At high altitude such as Lake Tahoe or on the water like the SF Bay, the UV radiation can be 2 or 3 times what is common on low altitude land.  Many offices do not put UV protection in clear lens prescriptions. However,  at San Anselmo Optometry we make sure every sunglass lens AND every CLEAR prescription eyeglass lens provides UV protection to keep your eyes healthy.

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Back to School Eyewear Fashion

Children Eyewear from San Anselmo Optometry
The Latest Children’s Eyewear from San Anselmo Optometry

Can you believe it’s almost school again?  I hope you all had fun family vacations.  Along with all the vast amount of school supplies on your list,  remember to add checking your child’s eyes.  All those pencils and paper won’t be too helpful if a child squints to see the blackboard.  It might be a good time to call and schedule an eye exam  before school begins.  Royce Kakar has a knack at helping kids enjoy getting their new glasses.

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