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Human Eye
1 / 10
What happens to the image distance in the eye when we increase the distance of an object from the eye?
2 / 10
The least distance of distinct vision for a young adult with normal vision is
3 / 10
The normal eye is not able to see clearly the objects placed closer than 25 cm. This is due to
4 / 10
The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to
5 / 10
In condition of myopia, the person
6 / 10
The eye defect hypermetropia can be corrected by using a
7 / 10
The change in the focal length of the eye lens is caused by the action of the
8 / 10
A old man is using a bifocal length for rectification of his vision defect. What defect of vision he is suffering from?
9 / 10
Aging causes weakness of the ......................... resulting in the presbyopia.
10 / 10
What type of optical device are fitted in bifocal lenses?
The average score is 68%
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