Eyes & Vision: Overview

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  • Contact Lens Care

    11/23/07, Healthwise

    Contact lens wearers have an increased risk for serious eye infections and injury to the cornea. Small objects that get into the eye may become trapped under a lens and scratch the cornea. Pinkeye (conjunctivitis) or other minor eye i

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  • Eye Problems, Noninjury

    12/06/07, Healthwise

    Many people have minor eye problems, such as eyestrain, irritated eyes, or itchy, scaly eyelids (blepharitis). These problems may be ongoing (chronic) but usually are not serious. Home treatment can relieve the symptoms of many minor eye

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  • Nearsightedness (Myopia) - Topic Overview

    07/07/07, Healthwise

    Nearsightedness (myopia) is a common cause of blurred vision. If you are nearsighted, objects in the distance appear blurry and out of focus. You might squint or frown when trying to see distant objects clearly. View a photo as seen t

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  • Nearsightedness (Myopia) - What Happens

    07/07/07, Healthwise

    Nearsightedness (myopia) usually begins in childhood or the early teens, between the ages of 8 and 14. Most children are born slightly farsighted, but this is corrected by the normal development of the eyeball during childhood. But if the

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  • Color Blindness - Topic Overview

    10/31/07, Healthwise

    Color blindness results from an absence or malfunction of certain color-sensitive cells in the retina. The retina is the nerve layer at the back of the eye that converts light into nerve signals that are sent to the brain. A person wi

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  • Farsightedness (Hyperopia) - Topic Overview

    11/23/07, Healthwise

    People who are farsighted can see clearly objects that are far away, but they have trouble seeing objects up close. If you are farsighted, close objects may be so blurry that you can't do tasks such as reading or sewing.

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  • Glaucoma - Topic Overview

    05/23/08, Healthwise

    Glaucoma is the name for a group of eye diseases that damage the optic nerve. The optic nerve, which carries information from the eye to the brain, is in the back of the eye. When the nerve is damaged, you can lose your vision.

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Laser surgery for nearsightedness attempts to correct it by changing the shape of the cornea.

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