Floaters are common: Floaters are usually caused by the jelly inside the eye (the vitreous) undergoing a normal change called syneresis. This creates liquid areas within the gel that house protein cellular debris. When you get in the right lighting situation, this debris casts a shadow onto the retina (the part of the eye that is like film in a camera). Floaters tend to occur earlier in people who are more nearsighted
Answered 4/1/2015
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