1.

A myopic person has beenusing spectacles of power −1.0 dioptre for distant vision.During old age he also needs to use separate reading glass of power +2.0 dioptres. Explain what may have happened.

Answer»

A myopic person has been
using spectacles of power −1.0 dioptre for distant vision.
During old age he also needs to use separate reading glass of power +
2.0 dioptres. Explain what may have happened.



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