Blindness,Color

《英文msh词典》Blindness,Color
[入口词] Blindness,Color
[主题词] Color Vision Defects
[英文释义] Defects of color vision are mainly hereditary traits but can be secondary to acquired or developmental abnormalities in the CONES (RETINA). Severity of hereditary defects of color vision depends on the degree of mutation of the OPSIN genes (on X CHROMOSOME and CHROMOSOME 3,HUMAN) that code the photopigments for red,green and blue.