名詞 protanopia:

1. dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
   同義詞：red-blindness

pro.ta.no.pi.a

n.（名詞）
A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.
紅色盲：一種色盲，表現(xiàn)為對紅色感受的缺陷和分不清紅色和綠色或藍綠色

來源：
prot(o)-
prot(o)-
an-
an-
-opia [from the blindness to red, which is considered the first of the primary colors]
-opia [從盲視到紅色，紅色被認是原色中的第一種顏色]

【引伸】
pro.tanop.ic