Bifocal lenses are eyeglasses that provide two different lens powers, correcting vision at both long and short distances . Bifocals are commonly used to help the eye adjust vision to focus on objects that are close once it begins to lose the ability to transition focus due to age-related conditions like presbyopia.
Bifocals are multifocal lenses with two separate optical powers. Simply put, they are one lens bonded to another. The main part of the lens, known as the ' ... |
Bifocals are glasses that have both a correction for your distance vision on the top of the lens, and a correction to help you read on the bottom. |
Glasses with bifocal lenses are most commonly used by those with presbyopia – an age related condition where the eyes begin to struggle to focus on anything up ... |
: having one part that corrects for near vision and one for distant vision. a bifocal eyeglass lens. bifocal. 2 of 2 noun. 1. : a bifocal glass or lens. 2. |
used to refer to lenses that are divided into two parts. The upper half is for looking at things that are far away and the lower half is for reading or for ... |
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