Guide to Eyeglasses

Progression of bifocal and trifocal lenses: Eyeglass lenses have advanced to offer more options for various vision problems. One convincing example is the invention and progression of multifocal lenses for presbyopia correction.
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Various types of specialty eyeglasses: Besides eyeglasses for regular wear, there are still various types of specialty eyewear or “task-specific” eyeglasses. Since one pair of eyeglasses does not fit all sizes in most cases, those specialty eyeglasses such as computer glasses, driving eyeglasses and protective glasses are helpful in specific circumstances.
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