McqMate
| Q. |
Persons suffering from myopia are advised to use – |
| A. | convex lens |
| B. | concave lens |
| C. | piano-convex lens |
| D. | plano-concave lens |
| Answer» B. concave lens | |
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Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This occurs when the eye is relatively too long or the refractive powers of the cornea and lens of the eye are relatively too strong. |
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