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Meaning pronunciation translations and examples. Bifocals as the name suggests consists of two different lenses having two different focal points. Bifocal Spectacles This type of bifocal lens has a narrow rectangular area that you can look into when you re doing activities that involve close up…

The lens is split into two sections. The segment of the lens devoted to correcting near vision can be in several shapes including a half moon a round segment a narrow rectangular area or the full bottom half of the bifocal lens. Progressive Lens Wikipedia The upper part helps with distance visi…