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What are eye floaters?

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Quick Answer

Eye floaters are small, moving spots in a person's field of vision. They appear in different shapes, such as dark spots, cobweb strands or squiggly lines, according to Mayo Clinic. Eye floaters are often more noticeable when looking at a bright object or in direct sunlight.

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What are eye floaters?
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Full Answer

Eye floaters are usually caused by small flecks of collagen that cast shadows on the retina. They are often the result of age-related changes in the vitreous substance of the eyes. Eye floaters are generally harmless but require medical attention if they increase in frequency or occur with flashes of light or a loss of peripheral vision. Eye floaters are most likely to occur in people who have undergone cataract surgery or who are very nearsighted.

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