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प्रश्न
Five persons A, B, C, D and E have diabetes, leukaemia, asthma, meningitis and hepatitis, respectively.
Which of these persons can donate eyes?
उत्तर
Person with asthma (C) can donate his eyes.
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संबंधित प्रश्न
How does the eye regulate the amount of light that falls on the retina?
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which is the weaker eye?
The eyes of a person are focused (i) on a nearby object, and (ii) on a distant object, turn by turn. In which case:
the converging power of eye-lens will be the maximum?
An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
How much is our field of view:
with both eyes open?
Among animals, the predators (like lions) have their eyes facing forward at the front of their heads, whereas the animals of prey (like rabbit) usually have eyes at the sides of their head. Why is this so?
Mention, if the following statement is True or False
Cones are the receptor cells in the retina of the eye sensitive to dim light.
For a normal human eye the near point is at _______.
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
Match the following:
| Column - I | Column - II | ||
| 1 |
Retina |
a | Pathway 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 | f | Power of accommodation |
