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If a person can see distant tree clearly but can’t read books. The person must be suffering from
Curvature of eye lens causes decrease in its focal length that result in eye defect called
If a person can read books clearly but can’t see distant tree. The person must be suffering from
Hypermetropia can be cured by
What is the cause of presbyopia?
In case of myopia the optician prescribe
An old person is not able to see nearby as well as far objects clearly. He went to optician. Which of the following lens the optician must prescribe ?