Which type of lens is used to correct myopia (short-sightedness)?
A. Convex lens
B. Bifocal lens
C. Concave lens
D. Cylindrical lens
A. Convex lens
B. Bifocal lens
C. Concave lens
D. Cylindrical lens
Best answer
Answer: C. Concave lens
Answer: (C) Concave lens
In myopia the image forms in front of the retina. A concave (diverging) lens moves it back onto the retina. Hypermetropia is corrected by a convex lens and astigmatism by a cylindrical lens.
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