Photoreceptor that binds cis-retinaldehydes . Contributes to pupillar reflex, photoentrainment and other non-image forming responses to light (By similarity). May be involved in the optokinetic visual tracking response (By similarity). May be involved in the regulation of retinal hyaloid vessel growth and regression (By similarity).
Subcellular locations: Cell membrane, Cell projection, Axon, Cell projection, Dendrite, Perikaryon
Expressed in the retina.