Definition: A deficiency of color perception in which the red-sensitive pigment in cones is decreased.
[G. protos, first, + anomalia, anomaly]
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.