BISS: Safety Girl SC-282 Polycarbonate Navigator Safety Glasses, Clear Lens, Pink Frame - SafetyGirl
Home Improvement: Storm Bifocals Safety Glasses, 1.5x - MG Safety Eyewear
BISS: Small Clear Clip-on Flip-up Magnifying Reading Glasses +2.00 Diopter - VS Eyewear
Shoes: Polarized Bifocal Sunglasses by Ideal Eyewear - Sun Readers with Retention Cord, Great for Fishing, Boating, Golf, & Reading Outdoors (Black Frame / Smoke Lens, Bifocal Power +2.00) - Ideal Eyewear
Wireless: Stickon Bifocals by Zcifi Lenses +1.50 AND FREE DOMESTIC SHIPPING - Zcifi Styles
Art and Craft Supply: Mighty Bright 87022 Wallet Magnifier w/ LED Light, Silver - Mighty Bright
Automotive Parts and Accessories: LIFT Safety Switch Safety Glasses (Black Frame/Clear Lens) - LIFT Safety
Sports: Fisherman Eyewear Gunmetal Semi-Rimless Frame Mantis Bifocal +2.0 Guideline Sunglass (Brown Lens) - Fisherman Eyewear
Health and Beauty: New Fashion Universal Unisex Square Presbyopic Reading Glasses +1 +1.5 +2 +2.5 +3 +3.5 +4.0 (+2.0, black) - Tiancheng co., LTD.
Health and Beauty: Stickon Bifocals By Zcifi +2.50++ FREE DOMESTIC SHIPPING - Zcifi Styles
Office Product: UltraOptix 4 Inch Magnifier - ULTRAOPTIX
Shoes: Stick on Bifocals by Zcifi Lenses +2.00 and FREE DOMESTIC SHIPPING - Zcifi Styles
Apparel: Enda Middle BiFocal Reading Glasses. No More Looking Over the top of Your Reading Glasses when you need to Walk Around. These BiFocal Reading Glasses Look Smart and Give you a lot of Flexibilty whether youre Reading or Looking in the Distance/brown/1.50
Office Product: Computer Eyes +2.50 power - VS Eyewear
Wireless: Stickon Bifocals by Zcifi Lenses +2.00 AND FREE DOMESTIC SHIPPING - Zcifi Styles
Automotive Parts and Accessories: Clear Lens Bifocal Glasses 2.50 For Men and Women, Full Wraparound Frame, Safety Z87.1 Polycarbonate Lenses, Free Microfiber Cleaning Case. Puma/CL/25 - Bikershades
Single Detail Page Misc: Onos Llano 131GR-PL GREY Lens Polarized Sunglasses - Onos
Sports: Stick on Bifocals by Zcifi Lenses +2.50 AND FREE DOMESTIC SHIPPING - Zcifi Styles
Collectibles: Tifosi Veloce Readers Sunglasses - +20 - Matte Black - Fanmats
Sports: BlueWater Polarized Bifocal 1 1.5 Smoke Lenses (Matte Black, Small)
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Glasses Bifocal Small Popular Q&A
Q: What Are Bifocal & Trifocal Glasses?
A: Bifocals were invented by Benjamin Franklin in 1784. He combined a pair of his distance glasses and reading glasses by cutting the lenses in half and putting th... Read More »
Q: How to Use Bifocal Glasses.
A: 1. Check the fit of your glasses. Make sure they are sitting properly on your nose and feel comfortable. If your glasses are too loose, the bifocal will be too ... Read More »
Q: What are bifocals glasses?
A: Bifocal is a compound word, "bi" meaning two, and focal referring to the focal length. Bifocal glasses have two focal lengths. One focal length allows the weare... Read More »
Q: Who invented bifocal glasses?
A: Benjamin Franklin. Benjamin Franklin Read More »
Q: Who invented bifocal glasses?
A: Bifocals, which have a top lens for distant viewing & lower lens for reading, were Read More »