Amblyopia, which most people commonly refer to as a lazy eye, is an eye condition in which one eye doesn't focus as much as the other one. This causes the weaker eye (the one that doesn't focus perfectly) to wander. Left untreated, the condition progressively worsens until the brain starts to ignore the wandering eye and the child's vision is impaired.
What Causes the Lazy Eye?
Lazy eye has multiple causes; here are some of the common ones