Researchers at the University of California, Irvine have discovered profound similarities and surprising differences between humans and insects in the production of the critical light-absorbing ...

video: Scientists have discovered a mechanism by which an area of a protein shape-shifts to convert vitamin A into a form usable by the eye’s light-sensing photoreceptor cells. view more Scientists ...

Researchers at the Paul Scherrer Institute PSI have deciphered the molecular processes that first occur in the eye when light hits the retina. The processes—which take only a fraction of a trillionth ...

Researchers have discovered profound similarities and surprising differences between humans and insects in the production of the critical light-absorbing molecule of the retina, 11-cis-retinal, also ...