BIFOCALS

Bifocals

Bifocals, eyeglasses with two distinct optical powers, are most commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.

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bifocals

Noun

  1. spectacles that have corrective lenses of two different powers; used by people who need both distance and reading glasses


The above text is a snippet from Wiktionary: bifocals
and as such is available under the Creative Commons Attribution/Share-Alike License.

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