Isomerization of retinal catalysed by retinochrome in the light.
D000818:Animals; D002384:Catalysis; D002417:Cattle; D049832:Decapodiformes; D006863:Hydrogen-Ion Concentration; D007536:Isomerism; D010777:Photochemistry; D010782:Photolysis; D011487:Protein Conformation; D011830:Radiation Effects; D012168:Retinal Pigments / Q000096:biosynthesis / Q000378:metabolism* / Q000528:radiation effects; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
D012168:Retinal Pigments