Science, asked by shivasingh41, 1 year ago

all defect of vision explain briefly

Answers

Answered by venukrish

There are three types of defects

myopia

Hypermetropia

Presbyopia

Myopia means which can see nearer objects but we can't see far objects

The maximum distance is 25cm

Hypermetropia means which can see far objects but can't see near objects

The maximum distance is infinity

Presbyopia is also a type of hypermetropia which will get in olden age..

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shivasingh41: thanks for your answer

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Answered by rupakhotapbzqf2

mypia ,,,, the person can see near object but not distance object because the image forming in front of cornia concave lens is used for accommodation
hypremetropia.....the person can see distance object but not near object. image formed back in cornia
presbiopia...same as hypermetropia but it is due to old age above 40 age convex lens is used for accommodation

shivasingh41: thanks

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