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FAQs



What is Functional Vision?
Functional vision is how your entire visual system -- the eyes, the brain, the visual pathways -- work together to help you interact with your environment. Functional vision includes the following visual skill areas:

Why don’t schools or other optometrists perform a Functional Vision Exam?
A large percentage of students don’t have vision problems, and conducting these tests on every child would be costly. Vision screenings are less costly, but limited in scope. Many of these screenings involve little more than reading letters on a distance eye chart, a test that cannot determine if a child has the visual skills necessary for effective reading and learning.

How do I determine if my child has amblyopia (lazy eye)?
Amblyopia can be very difficult to detect. A Functional Vision Test is the first step for diagnosing the condition. Contact Caring Vision Center if you’re interested in scheduling a Functional Vision Test.

Do you need surgery for amblyopia (lazy eye)?
Surgery is sometimes performed for strabismus, but not for amblyopia. You don’t need surgery to fix lazy eye - you need proper Vision Therapy.

Is lazy eye hereditary?
Sometimes. A family history of strabismus and/or amblyopia is a risk factor for developing amblyopia.

Is Strabismus Hereditary?
Strabismus may have a hereditary component, but that’s not always the case.

How Long Does Strabismus Treatment Take?
Duration of treatment varies based on the type of strabismus and response to the treatment. The best way to have an estimate of how long it will take to treat a specific case is to get a Functional Vision Test.

Are There Eye Exercises for Strabismus?
A developmental optometrist will direct the activities that are to be performed in the office and home on a weekly basis.

What is convergence excess? Convergence excess is also a problem with eye teaming. When a person has convergence excess and looks at a near point target, their eyes converge to a point that is closer than where the target actually is. For example, if a book is held 16 inches away from the reader, the eyes may be pointing at a spot only 14 inches away.

Ideally, both eyes should point in the same spot and perceive visual space equally in order to work together as a team and provide efficient vision.

What causes convergence excess?

Like convergence insufficiency, convergence excess results from poorly developed control of convergence. Unlike convergence insufficiency, a person with convergence excess is able to converge their eyes but over-converges them.


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