Question:
Is bifocal lenses used for correcting presbyopia?Why or why not?
Answer:
Yes, bifocal length lenses are used to correct presbyopia.
A person who 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 as well as nearby objects. To correct this defect, a person is prescribed bifocal lens that has both types of lens – convex and concave.
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