Although it is termed “lazy eye”, it is not actually lazy at all, but is a problem that arises following the brain’s inability to use both eyes together as a team. Amblyopia occurs when the brain actively ignores information coming from one eye, and is an active process caused by suppression. It is a condition whereby defective vision in an otherwise healthy eye is caused by abnormal development of the neural connections between the brain and the eye during the critical period. When binocular vision (focus between both eyes) is disrupted in early childhood, the brain simply “turns off” or suppresses the incoming signals from the weaker eye.