A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina. The retina is the nerve layer at the back of the eye. The nerve cells in the retina detect light entering the eye and send ne
Contact lenses are small plastic discs shaped to correct an eyesight problem such as nearsightedness, farsightedness, presbyopia, or astigmatism. These are called refractive errors. They may also be used by people who hav
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BottomDollar.comIt's common for a speck of dirt to get blown into your eye, for soap to wash into your eye, or for you to accidentally bump your eye. For these types of minor eye injuries, home treatment is usually all that is needed.
Nearsightedness (myopia) causes blurred vision. If you are nearsighted, you may have:
Symptoms of color blindness can vary. Different people see different shades of colors. You may not be able to see red, green, and blue or variations of those colors. If the color vision problem is not severe, you may not realize that
Some children with amblyopia have an eye that wanders or does not move with the other eye. This is sometimes called "lazy eye." But in many children amblyopia is hard to detect. Signs that could point to amblyopia or a condition that
The main symptom of farsightedness (hyperopia) is blurred vision, especially when viewing near objects. If you are farsighted, you may have trouble focusing when performing close-up tasks such as reading or sewing. You may also exper
Symptoms of glaucoma vary according to the type of glaucoma you have.
Laser surgery for nearsightedness attempts to correct it by changing the shape of the cornea.
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