788aa3c2_dness___National_Eye_Institute__sual_Process_with_Normal_RPE65
Without the 11-cis retinal form of vitamin A, the rod photoreceptors cannot make the protein rhodopsin.
The rod photoreceptors combine the 11-cis retinal with a protein called opsin to make a protein called rhodopsin.
Defective Mouse Gene Linked to Childhood Blindness | National Eye Institute
Visual Process with Normal RPE65