Engelsk substantiv: protanopia | |||
| 1. | protanopia (om tilstand) dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue | ||
| Ord med samme betydning (synonymer) | red-blindness | ||
| Mindre spesifikke uttrykk | red-green color blindness, red-green colour blindness, red-green dichromacy | ||