What do you mean by Presbyopia in simple words short definition???
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Answer:
Presbyopia is the defect of vision in which a person can't able to see nearby object as well as also can't able to see distant object is called Presbyopia.
• It can be corrected by using bifocal lens.
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Presbyopia :-
Presbyopia is the defect of eye in which a person cannot see further as well as nearer objects clearly.
This defect of vision commonly occurs in old people.
Causes:-
1). Weakening of the ciliary muscles.
2). Reduction in flexibility of the eye lens.
Correction:-
This type of defect can be corrected by using bi-focal lenses. A bifocal lens consist of both convex lens and concave lens.
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