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| Q. |
Cylindrical lens is used by a person suffering from - |
| A. | astigmatism |
| B. | myopia |
| C. | hypermetropia |
| D. | None of these |
| Answer» A. astigmatism | |
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Explanation: A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis. |
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