Q. The person suffering from both myopia and hypermetropia can be corrected by using a __?

A
Cylindrical lens
B
Convex lens
C
Bifocal lens
D
Concave lens
Solution:

A person with this defect cannot see objects distinctly placed at any distance from him. To correct this defect, a person is prescribed bifocal lens. Bifocals are eyeglasses with two distinct optical powers. Bifocals are eyeglasses with two distinct optical powers. Though multifocal lenses usually are prescribed for adults over age 40 to compensate for presbyopia, in some cases bifocals are prescribed for children and young adults who have eye teaming or focusing problems that cause eye strain when reading.

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