This is called refractive amblyopia. Astigmatism, or an irregular curve in the cornea, in one eye can also cause lazy eye. These causes of lazy eye can often be corrected with eyeglasses or contact lenses.

Is refractive amblyopia curable?

Amblyopia is the leading cause of vision loss in children. It is treatable if diagnosed early, making identification of affected children critical.

Can refractive amblyopia be corrected in adults?

Amblyopia in adults can be treated, often through a combination of prescription lenses, vision therapy and sometimes patching.