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The photoreceptor tetraspanin protein ROM1 contributes to the formation of light-sensitive 'disc' membranes, but it can be functionally replaced by an excess of its homologous binding partner PRPH2.

A new opsin receptor is light-sensitive and expressed in a unique type of photoreceptor in a flatworm that encloses over 400 sensory cilia within its cell membrane.

Despite evidence of retinal stretching with eye growth, cone photoreceptor sampling density in the foveal center of humans actually increases with eye length.

Circadian expression of cone visual transduction genes and corresponding proteins correlates with circadian changes in photoresponse kinetics and visual behavior, linking circadian gene expression with physiological and behavioral rhythmicity.

A combination of in vitro and in vivo experiments demonstrate a cell-autonomous role of the KIT ligand/KIT signaling pathway in protecting retinal photoreceptor cells from environmentally or genetically caused degeneration.

Skin cells from a patient with retinitis pigmentosa have been used to generate induced pluripotent stem cells, which could potentially form the basis of new treatments for this disease.

A mouse model of retinal degeneration reveals a common mechanism for axonal degeneration and photoreceptor cell death and identifies SARM1 as a therapeutic candidate for retinopathies.

Quantitative models for responses of rod and cone photoreceptors are developed that allow direct tests of the impact of the photoreceptors on responses of downstream visual neurons.

Fly vision depends on a member of the SLC22 transporter family for recycling the histamine neurotransmitter following its uptake by glia and its modification into the transport metabolite carcinine.

Mouse models in which hypoxia can be genetically triggered in retinal pigmented epithelial cells show that hypoxia-induced metabolic stress alone can lead to photoreceptor atrophy/dysfunction.