Why do children get amblyopia?
Some children cannot see well in one eye because there is something that blocks light from getting through. It could be that the eye’s lens, which is supposed to be clear, has become cloudy. This is called a cataract. In some children’s eyes, a small amount of blood or other material in the back of the eye is blocking vision. More often, however, amblyopia happens because one eye has much better focus than the other. For example, one eye might be very nearsighted. Objects that are far away will look very blurry to this eye. If the other eye is not nearsighted, the same far-away objects will be focused clearly by that eye. With a condition like amblyopia, the brain cannot put the blurry image and the clear image together in the way that we usually see. Instead, the brain will start to ignore the blurry image. If this goes, the vision in the eye that sees the blurry image will start to deteriorate. With amblyopia, not only will the image be blurry, it will get very dim. The eye can also
