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प्रश्न
Choose the Odd One Out:
पर्याय
Myopia
Hypermetropia
Xerophthalmia
Astigmatism
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उत्तर
Xerophthalmia
संबंधित प्रश्न
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
Explain two possible reasons of myopia. How can it be corrected? Explain with a suitable diagram.
Name the defect of vision in which the eye-lens loses its power of accommodation due to old age.
Explain with the help of labelled ray diagram, the defect of vision called myopia and how it is corrected by a lens.
Describe the mechanism of focusing the image of a distant object in your eye when you raise your head after reading a book.
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?
Give Technical Term:
The path which responsible for protecting the eye from sweat.
Myopia and hypermetropia can be corrected by:
Complete the following table by observing the given figures:
| Figure → |  |
 |
| Points ↓ | ||
| (a) Name of the defect | ______ | ______ |
| (b) Position of the image | ______ | ______ |
| (c) Lens used to correct the defect | ______ | ______ |
