Question

define lenses????



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Answer 1

Answer:

A lens is a transparent curved device that is used to refract light. A lens is usually made from glass. There are two. different shapes for lenses. They are called convex and concave.

Answer 2

A single convex lens mounted in a frame with a handle or stand is a magnifying glass . Lenses are used as prosthetics for the corection of visual impairments such as myopia , hypermetropia , presbyopia , and astigmatism .

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