General Science Nikat - Drishtidosh Se Peedit Vyakti Ke Chasme Me Prayog Kiya Jata Hai ?

निकट - दृष्टिदोष से पीडि़त व्यक्ति के चश्मे में प्रयोग किया जाता है ? - What is used in the glasses of a person suffering from near-sightedness? - Nikat - Drishtidosh Se Peedit Vyakti Ke Chasme Me Prayog Kiya Jata Hai ? General Science in hindi,  Physics Samtal - Uttal Lens question answers in hindi pdf  Avtal Lens questions in hindi, Know About Uttal Lens General Science online test General Science notes in hindi quiz book    Samtal - Avtal Lens