Understanding Lazy Eye (Amblyopia): Causes, Symptoms, And Treatment Parents often observe that their child relies more on one eye than the other. 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. Over time, vision https://www.tumblr.com/healpedia/819012801057177600/what-is-lazy-eye-amblyopia-and-how-is-it