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Difference Between Myopia And Hypermetropia (edit)
Revision as of 02:23, 29 April 2016
, 02:23, 29 April 2016no edit summary
'''Myopia''' | '''Hypermetropia'''
Myopia is also known as near-sightedness . | Hypermetropia is also known as far-sightedness.
[[File:my.png]] | [[File:Hy.png]]
In myopia , a person is not able to see distant objects clearly. | In hypermetropia , a person is not able to clearly see the nearby objects.
In this defect , lens are not able to produce sharp image of the distant objects on the retina instead the image is formed in front of the retina . | In this defect , image is formed behind the retina.
Another cause can be the elongation of eye ball. | It may also be caused due to flattening of the eyeball .
Myopia can be corrected by using concave lens of suitable focal length.| Hypermetropia may be corrected using convex lens of suitable focal length .
[[File:my-cor.png]] | [[File:Hyhy-cor.png]]