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a cataract is a clouding or darkening that develops in the normally clear lens of the eye. This change prevents the lens from focusing light properly onto the retina (at the back of the eye) and results in a loss of vision. A cataract is not a film that grows over the surface of the eye.

» what causes cataracts?
» what are the symptoms or signs of cataracts?
» can cataracts be prevented, cured or treated?

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Information produced with permission from American Optometric Association.
This information is for general education only and may not be suitable for everyone. It is not intended to be optometric advice and if any of the issues raised effect you, we recommend you seek specific advice from your eye care practitioner.
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