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प्रश्न
Name the following:
The photosensitive pigment present in the rod cells of the retina.
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उत्तर
Rhodopsin
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संबंधित प्रश्न
the biological/technical terms for the lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.
What is the other name for
myopia
Name the defect of vision in which the eye-lens loses its power of accommodation due to old age.
What are the two most common defects of vision (or defects of eye)? How are they corrected?
The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called:
(a) myopia
(b) presbyopia
(c) colourblindness
(d) cataract
Name the following:
The eye defect caused due to shortening of the eye ball from front to back.
State one role of ciliary muscles in the human eye.
The near point of the eye of a person is 50 cm. Find the nature and power of the corrective lens required by the person to enable him to see clearly the objects placed at 25 cm from the eye?
Nearsightedness: elongated eyeball : : farsightedness: _______
Myopia may arise due to ____________.
