OPTICAL AID Crossword Clue
OPTICAL AID Crossword Clue
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Crossword Puzzle Infos
Optical Aid is a term used to describe any device that helps the user to see better. The most common example of an optical aid is a LENS, which is a curved piece of glass or plastic that is used to focus light and form an image. Lenses are used in many different types of optical aids, such as eyeglasses, microscopes, and telescopes.