- don't forget the reading safety glasses by the table saw to help you cut once (after you have measured twice) Ladies, you might need other styles, such as: - one with a single rotating/swivel lens in your overnight case or in the make-up bag you take to the gym ...
Access to back issues has also been expanded recently for the Journal. The Society's global vision has been expanded by such efforts. At the same time, Local Section activity in the U.S. has declined for some Sections and they have become defunct.SmyrlWilliamH.EBSCO_bspInterface...
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Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism. History Benjamin Franklin is generally credited with the invention of bifocals. Historians have produced some evid...
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语法 spectacles that have corrective lenses of two different powers; used by people who need both distance and reading glasses [..] + 添加翻译 英文-中文字典 双光眼镜 noun He brought us bifocals and the lightning rod, 他发明了双光眼镜和避雷针, GlosbeMT_RnD 显示算法生成的翻译 将...
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3.Having two distinct goals or objects of attention:a bifocal approach to the problem. pl.n.bi·fo·cals(bī′fō′kəlz, bī-fō′-) Eyeglasses with bifocal lenses. bi·fo′cal·ismn. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghto...
The upper segment of the Double-D helps them see the undercarriage of the vehicle without having to tilt their head far backward, or wear their glasses upside-down, as they would need to do if they wore a conventional bifocal. Another popular occupational multifocal lens is the E-D trifocal...
these lenses are designed to cater to a variety of scenarios. Whether you're working on your computer or enjoying a day outdoors, the bifocal lenses ensure that you can see clearly without the need for multiple pairs of glasses. The lenses are also suitable for sunglasses, offering protection...