is prebyopia corrected by convex lens or a bi-focal lens ? justify
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First of all its not a mathematics question .its from physics.
Step-by-step explanation:
Correction of Presbyopia. Just as in hyperopia, presbyopia can be treated with the use of simple eyeglasses with convex lenses (positive power). ... Bifocals have both a concave and convex surface are part of their refractive design. The image below shows a bifocal design.
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Answer:
BIFOCAL LENS
Step-by-step explanation:
An eye that suffers from myopia as well as from hypermetropia is said to suffer from presbyopia. 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 that has both types of lenses convex and concave.
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