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प्रश्न
From where the following nerves arise.
Optic nerve
उत्तर
Optic nerve - Diencephalon
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संबंधित प्रश्न
Name two parts of the eye which refract light rays (or bend light rays).
What job does the pupil of the eye do?
Give the scientific names of the following parts of the eye:
changes shape to focus a picture on the retina.
How does the eye adjust itself to deal with light of varying intensity?
The human eye forms the image of an object at its ______.
After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles:
Left eye : + 2.00 D
Right eye : + 2.25 D
The child is suffering from the defect of vision called:
(a) short-sightedness
(b) long-sightedness
(c) cataract
(d) presbyopia
The region in the eyes where the rods and cones are located is the
Name the following:
The type of lens used for correcting myopia.
State the Function:
Iris
Complete the following sentence with appropriate Word
The aperture in the eye through which light enters is the:
Write the name.
The screen with light sensitive cells in human eye.
Write an Explanation.
Power of accommodation
Complete the paragraph by choosing the right options given below.
(minimum, near point, 25 cm, farthest, farthest distance, far point)
The _______ distance of an object from a normal eye, at which it is clearly visible without stress on the eye, is called the minimum distance of distinct vision. The position of the object at this distance is called the _______ of the eye, for a normal human eye, the near point is at _______. The _______ distance of an object from a human eye, at which it is clearly visible without stress on the eye is called _______ of distinct vision. The position of the object at this distance is called the _______ of the eye.
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
Describe the parts in the external structure of the eye.
Match the following:
| Column - I | Column - II |
| 1. Retina | a. Path way of light |
| 2. Pupil | b. Far point comes closer |
| 3. Ciliary muscles | c. near point moves away |
| 4. Myopia | d. Screen of the eye |
| 5. Hypermetropia | e. Power of accommodation |
Match the following:
| Column - I | Column - II |
| 1. Retina | a. Path way of light |
| 2. Pupil | b. Far point comes closer |
| 3. Ciliary muscles | c. near point moves away |
| 4. Myopia | d. Screen of the eye |
| 5. Hypermetropia | e. Power of accommodation |
Name the following:
Two pigments of the sensory cells.
