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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 | |
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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