Where is the image formed in case of eye disease Hypermetropia?
Where is the image formed in case of eye disease Hypermetropia? Correct Answer Behind the Retina
CONCEPT:
Hypermetropia (long-sightedness):
- It is a defect of the eye due to which a person can see distant objects clearly but nearer objects are not clearly visible.
EXPLANATION:
- The image is formed behind the retina and the near point moves away. Therefore option 1 is correct.
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- In this defect focal length or radii of curvature of lens increases or power of lens decreases or distance between eye lens and retina decreases.
- This defect can be removed by using a convex lens
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Defects of Vision |
Details |
Corrections |
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Myopia (short-sightedness): |
The human eye can see a nearby object clearly but cannot see far away object clearly. |
Concave lens |
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Presbyopia |
In this defect, both near and far objects are not clearly visible. It is an old age disease and it is due to the loosing power of accommodation. |
Bifocal lenses |
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Astigmatism |
In this defect, the eye cannot see horizontal and vertical lines clearly, simultaneously. It is due to the imperfect spherical nature of the eye lens. |
Cylindrical lens |