A young man has to hold a book at arm’s length to be able to read it clearly. The defect of vision is:a) astigmatismb) myopiac) presbyopiad) hypermetropia

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A young man has to hold a book at arm’s length to be able to read it clearly. The defect of vision is:
a) astigmatism
b) myopia
c) presbyopia
d) hypermetropia

CBSE | Class 10 | Lakhmir Singh | Physics | The Human Eyes And The Colourful World

A young man has to hold a book at arm’s length to be able to read it clearly. The defect of vision is:
a) astigmatism
b) myopia
c) presbyopia
d) hypermetropia

d) hypermetropia is the right answer.