Lazy Eye (Amblyopia): Everything You Need To Know Parents often observe that their child relies more on one eye than the other. This often leads to the question: What is Lazy Eye? Amblyopia, commonly known as Lazy Eye, occurs when the brain and one eye fail to work together properly. https://www.deviantart.com/drkarthjik/journal/What-Is-Lazy-Eye-Amblyopia-and-How-Is-It-Treated-1343247209