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Mayur Arya

A concave lens is used to correct nearsightedness. Nearsightedness, or myopia, occurs when the eye focuses light in front of the retina. A concave lens diverges the light rays before they enter the eye, moving the focal point back onto ...

Sonal Chauhan

In a photographic camera, the film acts like the retina of the eye. Just as the retina captures the light and converts it into signals that the brain can interpret, the film captures the light and stores the image. Both ...