Ophthalmology and Physiology. = dichromatic, adj. 2.

Ophthalmology and Physiology. Affected with or exhibiting dichromacy; of or relating to dichromacy. In early use also: †capable of distinguishing…

Affected with colour blindness; unable to perceive or distinguish between certain (or rarely all) colours. Also hyperbolical.

Affected with or exhibiting green-blindness; deuteranopic. Also as n. with the: green-blind persons (now rare).

Affected with or exhibiting red-blindness; protanopic. Also as n.: (with the) red-blind persons.

Affected with or exhibiting blue-blindness; tritanopic. Also as n. (with the): blue-blind individuals.

designating or relating to a form of colour blindness marked by confusion of reds and greens (protanopia).

Of, relating to, or affected by achromatopsia.

colour-blind.

(of a person) that has difficulty in distinguishing some colours.

colour-blind as regards the violet rays of the spectrum.

Chiefly Ophthalmology. Having or designating vision, esp. a form of colour-blindness, in which all colours appear as shades of one colour.

Affected by protanopia; of or relating to protanopia.

Affected by protanomaly; of, relating to, or of the nature of protanomaly. Also as n. (with the): people with protanomaly collectively (rare).

Of, pertaining to, or exhibiting partial deuteranopia.

having tritanomaly.

(a) adj. (of a person) having defective colour vision; colour-blind; (b) n. a person with defective colour vision.

Of, relating to, or affected by protanopia or protanomaly; protanopic or protanomalous.