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Function of byfocal lens

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Function of byfocal lens

Posted by Anushka ???? 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Stranger?♋ Things 5 years, 7 months ago

Bifocal lenses are used in the spectacles of people suffering from presbyopia, myopia, hyperopia or/and astigmatism. These have two distinct powers and hence serves two functions. One is distant vision and the other is closeup vision.( Itna sara questions kyu?)

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science