(HealthDay News) -- A cataract occurs when the eye's lens becomes clouded and affects vision. Cataracts can occur in both eyes, but are not spread from one eye to another.
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Affecting mostly older people, cataracts can be treated with corrective lenses or surgery. According to the National Eye Institute, common symptoms include:
- Cloudy, blurry or double vision.
- Difficulty seeing at night.
- Colors appearing faded.
- Glare, sensitivity to brightness, or a halo effect around lights.
- Frequent changes to eyeglass or contact lens prescriptions.
These symptoms can indicate other eye problems, as well, and should be evaluated by a doctor, the institute says.
-- Diana Kohnle
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