Eyestrain

Eyestrain Definition: Eyestrain occurs when your eyes get tired from intense use, such as driving a car for extended periods, reading or working at a computer. Although eyestrain can be annoying, it usually isn't serious and goes away once you rest your eyes. In some cases, signs and symptoms of eyestrain can indicate an underlying eye condition that needs treatment. Although you may not be able to change the nature of your job or all the...

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Eye melanoma

Eye melanoma Definition: Melanoma is a type of cancer that develops in the cells that produce melanin — the pigment that gives your skin its color. Your eyes also have melanin-producing cells and can develop melanoma. Eye melanoma is also called ocular melanoma. Most eye melanomas form in the part of the eye you can't see when looking in a mirror. This makes eye melanoma difficult to detect. In addition, eye melanoma typically doesn't...

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Eye floaters

Eye floaters Definition: Eye floaters are spots in your vision. Eye floaters may look like black or gray specks, strings or cobwebs that drift about when you move your eyes. Most eye floaters are caused by age-related changes that occur as the jelly-like substance (vitreous) inside your eyes becomes more liquid. When this happens, microscopic fibers within the vitreous tend to clump together and can cast tiny shadows on your retina, which...

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