different focus for reading, and is as light and graceful a bifocal as there ison the market. It can be made to fill practically any conceivable prescrip-tion in plus and minus combinations, combined with cylinders on both por-tions of the lens, or on that of the distance vision only, and with any… … All Ultex bifocal lenses of our manufacture are marketed under the regis-tered trade mark of Uni-Bifo (Luxe). Their function is indicated by theaccompanying illustration, which lias been quite widely used in connectionwith our Ultex publicity. Although showing no sharp line of demarcation inthe…
Lenses · Eyeglasses
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