In animals with colour vision, the retina contains at least two types of photoreceptor cell. Rod cells function optimally at low light intensities, whereas daylight vision is mediated predominantly by ...

Research by Johns Hopkins sensory biologists studying fruit flies, has revealed a critical step in fly vision. Humans with problems in this same step suffer retinal dystrophies, which manifest as ...

Proteins are fundamental biomolecules that perform a broad range of vital functions within the human body. They serve as an essential structural and functional component of cells, tissues and organs ...

The visual phototransduction cascade begins with a cis–trans photoisomerization of a retinylidene chromophore associated with the visual pigments of rod and cone photoreceptors. Visual opsins release ...

They will work together to develop a drug to treat the retinal deterioration.Merck & Co. (NYSE: MRK) said it has signed a deal worth at least $3 million with Harvard Medical School to develop a drug ...