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World Optic - Bifocal Lenses
WebA look at basic lens styles including single vision (SV), flat-top (FT) or straight-top (ST) bifocals, trifocals, round segments (RD), executive bifocals, an... WebNov 4, 2024 · Flat top 28 bifocal lenses is offers correction for both near and far distances. The flat top lens includes a segment at the lower half of the lens with a prescription for reading (near distance). The width of the flat top 28 bifocal is 28mm wide at the top of the bifocal and looks like the Letter D turned 90 degrees. halo download serie
Bifocal (With Line) Lenses - Eyeglasses.com
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