Science, asked by simmikumari500, 1 year ago

causes ............. of

myopia
hypermetropia
presbyopia

plezzz help me...... ☺

Answers

Answered by Anonymous
5
Myopia is caused due to

1. excessive curvature of the eye lens
2. elongation of the eyeball

Causes of Presbyopia

1. Gradul weakening of the ciliary muscles

2. Diminishing flexibility of the eye lens

Causes of hypermetropia

focal length of the eye lens is too long

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Answered by prai09101
1
myopia is caused due to the elongation of eye ball or short focal lenth and hypermetropia is caused due to shortening of eyeball and increase in focal length and presbyopia is mainly seen in old aged people and is caused due to the weaking of ciliary muscles
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