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September 26, 2018 By opticiancertif

Bifocal Lens

Lens with two points of focus, designed to relieve presbyopia. The lower part of the lens allows near vision; the rest of the lens is designed for far vision.

Related Links

Bifocal Contact Lenses – A Consumer Guide

Bifocals

For Eye Care Professionals

How Do Bifocal Eyeglasses Work?

Image formation by bifocal lenses in a trilobite eye? – ScienceDirect

Get Used to Your New Bifocals or Progressives

Bifocal and Astigmatic Lens Implants – Friedman Eye Center

Occupational Bifocal and Trifocals

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