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Uses of bifocal lenses

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Uses of bifocal lenses

Posted by Anushka Negi 5 years, 6 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 6 months ago

Sometimes a person may suffer from both near sightedness and far-sightedness. Such people are advised to use bifocal lenses. Bifocal lenses consists of concave on the upper portion and convex on the lower portion.

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Arjun Kashyap 5 years, 6 months ago

Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.

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CBSE > Class 10 > Science