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प्रश्न
Name the following:
The photosensitive pigment present in the rods of the retina.
Give One Word Answer:
The photosensitive pigment present in the rods of the retina.
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उत्तर
Rhodopsin
संबंधित प्रश्न
Do you know that the corneal-impairment can be cured by replacing the defective cornea with the cornea of the donated eye? How and why should we organise groups to motivate the community members to donate their eyes after death?
What is the other name for
myopia
What is the far point of a person suffering from myopia (or short-sightedness)?
A man can read the number of a distant but clearly but he finds difficulty in reading a book.
What type of spectacle lens should he use to correct the defect?
A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called:
(a) cataract
(b) hypermetropia
(c) myopia
(d) presbyopia
Distinguish between the following pair of words:
Myopia and hypermetropia
Anuja cannot see the blackboard writing but she can see nearby things.
(a) What is the eye defect she is suffering from?
(b) State the possible reason for her defect.
(c) How is it corrected
Name an old age eye defect. Why is it caused?
What type of lens is used to correct Hypermetropia?
Nearsightedness: elongated eyeball : : farsightedness: _______
