different lenses used for different eye problem list
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Concave lens. Myopia
Convex lens. Hypermetropia
Bifocal lens. Presbyopia
Convex lens. Hypermetropia
Bifocal lens. Presbyopia
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hey!!
here is ur answer!!
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Different lenses were used for different eye problems Some of them were :
1)Myopia :
It is the condition in which near objects can be seen clearly while the distant objects appear blur.
This defect can be corrected by using diverging or concave lens ....
2)Hypermetropia :
It is the condition in which there is an difficulty in seeing the near objects.
This defect can be corrected by using converging or convex lens...
3) Astigmatism :
In this defect some parts of objects are seen in focus while others are blurred..
This disease can be corrected by using cylindrical lens..
4)Presbyopia :
This is the condition affecting older people who can not see the near objects clearly..
Again this condition is corrected by convex lens...
5)Cataract :
It is the condition in which vision is cut down even lead to total blindness...
This can be corrected by removing the lens surgically and by using spectacles of convex lens....
====================================================
hope it helps u!!
here is ur answer!!
=========================================================
Different lenses were used for different eye problems Some of them were :
1)Myopia :
It is the condition in which near objects can be seen clearly while the distant objects appear blur.
This defect can be corrected by using diverging or concave lens ....
2)Hypermetropia :
It is the condition in which there is an difficulty in seeing the near objects.
This defect can be corrected by using converging or convex lens...
3) Astigmatism :
In this defect some parts of objects are seen in focus while others are blurred..
This disease can be corrected by using cylindrical lens..
4)Presbyopia :
This is the condition affecting older people who can not see the near objects clearly..
Again this condition is corrected by convex lens...
5)Cataract :
It is the condition in which vision is cut down even lead to total blindness...
This can be corrected by removing the lens surgically and by using spectacles of convex lens....
====================================================
hope it helps u!!
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