from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The quality of having only one independent channel for conveying color information in the eye, i.e. total color blindness.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. complete color blindness; colors can be differentiated only on the basis of brightness
The veterinary ophthalmology researchers said the disorder -- called congenital achromatopsia or rod monochromacy -- is a rare autosomal recessive genetic disorder with an estimated prevalence in human beings of about 1 in 50,000.
A gifted artist, Lonewolf suffers from rod monochromacy.