Light conves retinene to:
In the dark, the retinene1 in rhodopsin is in the 11-cis configuration. The only action of light is to change the shape of the retinene, conveing it to the all-trans isomer. Ref: Ganong's Review of Medical Physiology 23rd edition, Chapter 12.
11 cis
11 trans
13 cis
13 trans