Bifocal glasses. Pair of reading glasses resting on an open book. Bifocal glasses have two distinct regions in each lens. The majority of the lens is

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Bifocal glasses. Pair of reading glasses resting on an open book. Bifocal glasses have two distinct regions in each lens. The majority of the lens is made to correct long-distance vision, while the lower portion enables the wearer to read and perform delicate tasks.

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Size: 4931px × 3604px
Photo credit: © STEVE HORRELL/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bifocal, bifocals, book, diagnostic, diagnostics, equipment, eye, eyeglasses, glasses, healthcare, hyperopia, medical, medicine, myopia, ophthalmic, ophthalmology, presbyopia, reading, spectacles, technique, vision