What Causes Lazy Eye?
6. Disease Process
Amblyopia is a developmental problem and, in most cases, there is no problem in the eyeball. The problem is usually in the brain, although in a few instances, organic problems may lead to amblyopia. A certain area of the brain is responsible for receiving images from both eyes.
If you have an amblyopic eye, this area receives a blurred image from the affected eye, and another clear image from the other eye. The brain ignores the blurred image and processes the clear image from the healthy eye, although it ordinarily requires both eyes to form a clear picture. If the condition remains uncorrected, the affected eye can end up losing sight.
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