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What do you mean by presbyopia ? |
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Answer» ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━WHAT DO YOU MEAN BY PRESBYOPIA ?━━━━━━━━━━━━━━━━━━━━━━━━━★ PRESBYOPIA ★PRESBYOPIA IS A DISEASE OF EYE WHICH OCCUR DUE TO THE AGING OF A PERSON BECAUSE OF THIS DEFECT A PERSON CANNOT SEE NEAR OBJECT FOR OBJECT AND SOMETIMES BOTH NEAR AND FAR OBJECT★ CAUSE ★IT IS CAUSED BY LOSING OF ACCOMMODATION OF POWER OF LENS DUE TO THE WEAKENING OF CILIARY MUSCLES AND HARDING OF EYE LENS ★ CORRECTION ★PRESBYOPIA IS CORRECTED BY USING CONVEX, CONCAVE OR WHICH CONTAIN BOTH THEN BI FOCAL LENS ARE USED━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ |
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