Amblyopia generally develops from birth up to age 7 years. It is the leading cause of decreased vision among children. Rarely, lazy eye affects both eyes.

How early can lazy eye be detected?

Signs of a Lazy Eye

Amblyopia starts in childhood, usually between ages 6 and 9. Identifying and treating it before age 7 brings the best chances of fully correcting the condition.

Can you suddenly develop a lazy eye?

While the condition typically presents in early childhood, a lazy eye can develop later on in life as well.