色盲

Red-green color blindness is also called Daltonism, after English chemist and physicist John Dalton.

红绿先天性色盲也叫「达顿症」，其得名于身患此症的英国化理家达顿。

The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.

本发明提供的交信号灯，使得了色盲症的人也交信号。