protanopia

[ proht-n-oh-pee-uh ]
/ ˌproʊt nˈoʊ pi ə /

noun Ophthalmology.

a defect of vision in which the retina fails to respond to red or green.

Origin of protanopia

From New Latin, dating back to 1900–05; see origin at prot-, an-1, -opia

OTHER WORDS FROM protanopia

pro·ta·nop·ic [proht-n-op-ik] /ˌproʊt nˈɒp ɪk/, adjective

Words nearby protanopia

protagonist, protagoras, protamine, protandrous, protanomaly, protanopia, protasis, prote-, protea, protean, proteas

British Dictionary definitions for protanopia

protanopia
/ (ˌprəʊtəˈnəʊpɪə) /

noun

a form of colour blindness characterized by a tendency to confuse reds and greens and by a loss of sensitivity to red light

Derived forms of protanopia

protanopic (ˌprəʊtəˈnɒpɪk), adjective

Word Origin for protanopia

C20: New Latin, from proto- + an- + -opia

Medical definitions for protanopia

protanopia
[ prō′tə-nō′pē-ə ]

n.

A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.