Biology, asked by spandana4335, 1 year ago

What is astigmatism,myopia, presbyopia

Answers

Answered by shibanjojo
1
presbyopia :a person having this defect cannot see nearby object distinctly,but can see distant objects without any difficulteas.
myopia is a vision defect in which a person can see nearby object clearly but cannot see the distant object.
Answered by ektasachan6525
0

Astigmatism - in this defect I cannot focus object both in horizontal and vertical lines clearly.

Myopia - in this defect a person cannot see nearby objects clearly but cannot see distant objects clearly.

Hypermetropia - in this defect a person can see distant objects clearly but cannot see nearby objects clearly.

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