Deuteranopia

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A form of color blindness in which the retina is deficient in or lacks cone cells containing opsins that respond to the color green, resulting in an inability to distinguish red from green.

    "Deuteranomalous subjects show ordering behaviour similar to the behaviour of normal colour vision subjects, but less like their colleagues with deuteranopia."

  2. 2
    dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red wordnet

Synonyms

All synonyms
achloropsiaachloropsiacolor blindnessdaltonismgreen blindnessgreen-blindness

Example

More examples

"Deuteranomalous subjects show ordering behaviour similar to the behaviour of normal colour vision subjects, but less like their colleagues with deuteranopia."

Etymology

From deutero- (“second (color)”) + an- (“without”) + -opia (“vision”).

Related phrases

color blindnesscone dystrophy

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.