निकटदृष्टि दोष के लिए लोग किस लेंस का प्रयोग करते हैं? Which lens is used to correct the defect of Short-Sightedness in eye?

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निकटदृष्टि दोष के लिए लोग किस लेंस का प्रयोग करते हैं? Which lens is used to correct the defect of Short-Sightedness in eye?