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Binocular Vision: Disorders and Treatment

Binocular Vision Disorders
Diagnosis and Treatment

An eye care provider diagnoses strabismus and amblyopia with a series of simple tests using observation, eye covers, a light reflex exam, and a standard vision exam. Eye care providers typically prescribe the patient glasses (which are usually needed in cases of strabismus and amblyopia). An eye patch to cover the dominant eye is also used in order to strengthen the weaker eye, training the brain to use it. If you or your child displays symptoms of crossed eyes or lazy eye, schedule an appointment with your eye care provider today.

For many, the term binocular vision conjures images of super powers or the rare ability to spot objects far away, but having binocular vision simply means having two eyes with which to see. Binocular vision does lend creatures with two eyes advantages over those with only one, such as enhanced vision, depth perception, and a wider field of view. Our two eyes functioning properly allow us to view the world in the way we do, perceiving objects both up close and far away, using peripheral vision to see objects at our sides, and using our overlapping field of vision to see objects in greater detail.

In order for binocular vision to function properly, both eyes have to work together. When eyes cannot work together, vision disorders occur. Disorders with binocular vision occur in a large percentage of optometry patients, as many as 20 percent, and can affect those patients' ability to see properly using both eyes. Binocular vision disorders affect normal, daily activities like driving, reading, seeing a computer screen, and participating in sports. The two most common binocular vision disorders are strabismus (crossed eyes) and amblyopia (lazy eye). These disorders often present themselves in young children. The two conditions often occur together, but can present individually.

Six muscles support each eye, and ideally work together to keep the eyes pointed in the same direction. In strabismus, these sets of muscles do not coordinate. As a result, the two eyes do not line up in a single direction, and end up focused on different objects. The brain receives two separate images. Unable to combine the images, the brain begins to favor the dominant eye and ignore images from the other. Symptoms of strabismus include double vision, crossed eyes, eyes which are not aligned, independent eye movements, and loss of depth perception. If left untreated, the less dominant eye will become even weaker, eventually leading to amblyopia.

Amblyopia, the most common childhood vision problem, is the loss of one eye's ability to see details, when the nerve path connecting the eye to the brain does not develop. Though strabismus is the most common cause of amblyopia, it can occur independently. Astigmatism, cataracts, nearsightedness, and farsightedness can all cause amblyopia. Symptoms include eyes which do not move together, poor vision in one eye, loss of depth perception, and eyes which turn in or out.

Sources:
American Optometric Association (2014). Amblyopia (Lazy Eye).

American Optometric Association (2014). Strabismus (Crossed Eyes).

eyeSmart (2014). What Is Strabismus?.

National Eye Institute (2013). Facts About Amblyopia.

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I highly recommend this business for their specialty services, care, professionalism and promptness. If you have any learning problems, dyslexia or anything of the sort, try Dr. Jong and her team to check your eyes. My niece was falling a lot but had 20/20 vision; Dr. Jong and her team figured out her problem and she no longer falls. My daughter was having problems with math. Dr. Jong and her team figured out why and her math scores went up. I had problems reading Latin and it's due to a form of dyslexia. Specialty glasses help fix that problem as well. Dr. Jong has a lot to offer the community and I highly recommend her. This is my first online review ever!!

-Anonymous

Dr. Jong and her skilled, experienced staff always give friendly and personal attention to this patient. My eyes have been in her care since 1985 and its has been very good care. I believe the Center has all the latest examination and diagnostic equipment. My annual visit with Dr. Jong and her staff is a great confidence builder. 

-Stephen S.

The most caring people you will ever meet. It is an awesome feeling to have someone who understands what your child is struggling with and actually has a solution to your problem. I recommend anyone that has a child with a learning disorder to schedule an evaluation. You will be amazed!

-Casey D.

It's been years since my last exam. Dr. Jong was friendly, informative and thorough throughout the exam. The staff at Advanced Eye Center were polite and caring. There was no waiting time and I was out of the office with a new prescription within 30 minutes of arriving.

-Sara G.

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