Advice for Floaters and Flashing Lights for primary care

part of the eye’s protective covering that allows in light. The iris is the colored part of the eye that contracts and expands so the pupil can let just the right amount of light into the eye. The lens focuses the light onto the the retina (lining the back of the eye). Nerve fibers in the retina carry images to the brain through the optic nerve. ................
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