adaptometer मीनिंग इन हिंदी

उदाहरण वाक्य

1. He is best remembered for the development of ophthalmic instruments and aids he built an adaptometer for measuring dark adaptation of the eyes, an anomaloscope for the study of color blindness, and introduced the so-called " Nagelschen Farbt�felchen " ( Nagel's color tablet ) for the testing of color perception.