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प्रश्न
Differentiate between members of the following pair with reference to what is asked in the bracket.
Near and distant accomodation (shape of lens).
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उत्तर
| Near accomodation | Distant accomodation |
| Near vision lenses tend to be more convex or rounded. | For distant objects, the lens is flattened and narrower. |
संबंधित प्रश्न
Write the name.
The sensation on the retina persists for a while is
Write an Explanation.
Persistence of vision
The 'eye muscles' are controlled by which cranial nerves?
The focal length of the eye lens increases when eye muscles ____________.
The least distance of distinct vision for a normal eye is ____________.
A student sitting on the last bench can read the letters written on the blackboard but is not able to read/the letters written in his textbook. Which of the following statements is correct?
Adjusting the focal length of the eye lens to view objects at different distances is done by ______.
Define the following term:
Adaptation
Differentiate between members of the following pair with reference to what is asked in the bracket.
Dark and light adaptation (pigments which will be regenerated).
The figures (A) and (B) given below are showing some kind of adjustment. Study the figures and answer the questions that follow.
| A |  |
 |
B |
- Identify the kinds of adjustments done in the figures (A) and (B).
- Distinguish between the adjustments of figures (A) and (B) on the basis of:
- The size of pupil.
- The pigment which gets regenerated.
- Cells of the retina.
