anomaloscope การใช้
- Protanomaly and deuteranomaly can be diagnosed using an instrument called an anomaloscope, which mixes spectral red and green lights in variable proportions, for comparison with a fixed spectral yellow.
- 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鋐elchen " ( Nagel's color tablet ) for the testing of color perception.