Dome magnifier

All you want to know about Dome magnifier

A dome magnifier is a dome-shaped magnifying device made of acrylic plastic typically that enlarges words on a page or computer screen into a larger image [1]. Most dome magnifiers' perimeters are from 3 to 7 inches. They usually magnify to ×4 [2]. Dome magnifiers are mainly used by the visually impaired. They are good for reading maps or basic text and their inherent 180° design naturally amplifies light for ambient illumination.

Retrieved from "http://en.wikipedia.org/wiki/Dome_magnifier"

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