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Treatments involving the occlusion of one eye and the use of a prism fitted over an eyeglass lens have both been shown to provide relief from micropsia. Micropsia that is induced by macular degeneration can be treated in several ways.
An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Prism correction. Prism lenses (here unusually thick) are used for pre-operative prism adaptation. Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.
I ordered a pair of, er, Pair glasses with black frames and a navy-blue top, because I'm boring. My only regret is that I didn't choose something fun like The Retro Batman.
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze.
Woman over 50 reading a book without needing glasses. Glasses can be a fashion statement—even people with perfect vision might don a pair just for fun.