Biometry is used to calculate the lens power for cataract surgery.

During cataract surgery the aging crystalline lens is removed and replaced with a new artificial lens. The required lens power is different for every patient and depends on the type and amount of refractive error (short-sightedness, far sightedness or astigmatism).

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Cataract Myths Number 5.

Myth: A cataract is a film that grows over the eye, and it can grow back after surgery. Fact: A Cataract is a cloudiness of the crystalline lens inside the eye. When cataracts are treated with surgery the cloudy lens is removed and replaced with an artificial lens. There are many lens options and multifocal lenses can give you spectacle independence in addition to treating the cataracts and giving you clear vision once again.

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