The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the “film” at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...
Astigmatism occurs when the eye is shaped more like an oval than a sphere, causing blurry vision. Astigmatism affects about one in three Americans and it occurs more frequently as you age. The ...
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