Lazy eye, or amblyopia, is the loss or lack of development of central vision in one eye that is
unrelated to any eye health problem and is not correctable with lenses. It can result from a failure
to use both eyes together. Lazy eye is often associated with crossed-eyes or a large difference in
the degree of nearsightedness or farsightedness between the two eyes. It usually develops before
the age of 6, and it does not affect side vision.
Symptoms may include noticeably favoring one eye or a tendency to bump into objects on one
side. Symptoms are not always obvious.
Treatment for lazy eye may include a combination of prescription lenses, prisms, vision therapy
and eye patching. Vision therapy teaches the two eyes how to work together, which helps
prevent lazy eye from reoccurring.
Early diagnosis increases the chance for a complete recovery. This is one reason why the
American Optometric Association recommends that children have a comprehensive optometric
examination by the age of 6 months and again at age 3. Lazy eye will not go away on its own.
If not diagnosed until the pre-teen, teen or adult years, treatment takes longer and is often less