Bifocal Health Dictionary

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Bifocal: From 1 Different Sources

A spectacle lens with 2 different focal lengths. Glasses with bifocal lenses make corrections for both close and distant vision.

Health Source: BMA Medical Dictionary
Author: The British Medical Association

Bifocal Lens

A spectacle lens in which the upper part is shaped to assist distant vision and the lower part is for close work such as reading.... bifocal lens

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