What Is Lazy Eye (Amblyopia) And How Is It Treated? Many parents notice their child struggling with vision or favoring one eye. This often leads to the question: What causes a Lazy Eye condition? Amblyopia develops when the brain begins to favor one eye over the other. As a result, https://www.tumblr.com/maheshnadgir/819009784015650816/what-is-lazy-eye-amblyopia-and-how-is-it