CBSE Class 10 Answered
what is presbyopia???
Asked by | 19 Jan, 2012, 09:13: PM
Expert Answer
hypermetropia is caused due to theshortening of eyeball.
presbyopia is caused due to the weakening of muscles due to age. otherwise the problems are quite similar. difference lies in the cause.
Answered by | 20 Jan, 2012, 10:08: AM
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