Define bifocals
Webbifocal: 2. (of an eyeglass or contact lens) having two portions, one for near and one for far vision. WebNov 11, 2008 · Bifocals definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!
Define bifocals
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WebDec 2, 2024 · Similar to bifocals, trifocals offer three distinct focal areas even if there are no visible lines. Progressive lenses are different because rather than having distinct focal areas, they invisibly blend the areas … WebBifocals are glasses with lenses made in two halves. The top part is for looking at things some distance away, and the bottom part is for reading and looking at things that are …
WebNghĩa tiếng việt của "Bifocal lenses" Trong Y học, Bifocal lenses nghĩa là kính hai tròng. Bifocal lenses là một thuật ngữ thuộc chuyên ngành Y học. Phim song ngữ mới nhất Chuyện Gì Xảy Ra Với Thứ Hai Từ điển dictionary4it.com WebDefine bifocal. bifocal synonyms, bifocal pronunciation, bifocal translation, English dictionary definition of bifocal. adj. 1. Having two focal lengths. 2. Having one section …
WebFeb 27, 2024 · Bifocals and trifocals have visible lines, but the line in a round-seg bifocal tends to be less noticeable than the lines in flat-top and Executive styles. There is something called an "invisible bifocal," which … Webbifocal. 1. Having two focal lengths. 2. Having one section that corrects for distant vision and another that corrects for near vision, as an eyeglass lens. 3. Having two distinct …
Webbifocal: [ bi´fo-kal ] of a lens, having two areas with different refractive powers. bifocal glasses eyeglasses in which each lens is made up of two segments of different refractive …
WebBifocals definition: Eyeglasses with bifocal lenses. Origin of Bifocals From bi- + focal (see focus), coined in 1824 by John Isaac Hawkins, inventor of trifocals.When the … onassis smart homeWebDec 12, 2024 · Bifocal lenses. Bifocals are eyeglasses with two lenses to fix both nearsighted and farsighted vision. There is a dividing line, called a “transition zone,” between the two types of lenses in bifocal glasses. Trifocal lenses. Trifocals are made up of three different lenses. They correct not only myopia and hyperopia but also presbyopia ... onassis thermostatic tub \u0026 shower systemis assistant and secretary the sameWebThe meaning of BIFOCALED is wearing bifocals. How to use bifocaled in a sentence. onassis thermostatic tub \\u0026 shower systemWebJul 29, 2024 · Conclusion:-. There are many different variations of lenses available today, many of them fulfilling the same purpose or even multiple purposes. Generally, when … onassis to friends crosswordWebBifocals Dispensing Opticians Bifocals Bifocals: for presbyopic patients Bifocal types: Split bifocal- separate lens bonded together (Franklins Split) Solid bifocal- made from a single medium then add power coming from … is assistant or specialist higherWebDefine bifocals. bifocals synonyms, bifocals pronunciation, bifocals translation, English dictionary definition of bifocals. adj. 1. Having two focal lengths. 2. Having one section … is assistantship a word