A likely problem at traffic signals, the defect called deuteranopia usually causes confusion of red & this color
Depending on the type of defect and the cone that is affected problems can arise 
with red,... [DOC] [TLE] Protanopia  Red-Green Color Blindness | Colblindor [PAR] Red-green color blindness is split into two different types: Whereas people ... 
color blindness are less sensitive to red light, deuteranopia or deuteranomly ...