Sentences with phrase «called rods and cones»

The macula is densely packed with photoreceptor cells called rods and cones that react to light and send electrical nerve impulses to the optic nerve and into the brain.

Retinitis pigmentosa is an inherited retinal degenerative disease that causes slow but progressive vision loss due to a gradual loss of the light - sensitive retinal cells called rods and cones.

Not exact matches

After a decade of study, biochemist James Hurley at the University of Washington in Seattle and his colleagues have now shown that the retina's rods and cones burn the glucose, convert leftovers into a fuel called lactate, and then feed that back to the RPE.

A healthy retina usually features light - sensitive cells — photoreceptors — called cones and rods.

Genetic defects cause photoreceptor degeneration, which are majorly classified into rod - cone dystrophy called retinitis pigmentosa (rods initially degenerate, followed by cone degeneration), cone - rod dystrophy (cone degeneration, followed by rod degeneration), and Leber congenital amaurosis (LCA).

Rod and cone cells in the human retina contain proteins called opsins that change shape when light strikes them.

Behind the photoreceptors is another layer of cells called retinal pigment epithelium (RPE), which support the rods and cones by delivering nutrients from the bloodstream and removing waste that the rods and cones generate.

Thanks to years of dedicated work by researchers in the laboratories of Dr. Greg Acland and Dr. Gus Aguirre, and aided by early support from Morris Animal Foundation and the Collie Health Foundation, the mutation responsible for the collie PRA called rod cone dysplasia type 2 (rcd2) has been identified.

The retinal cells that help us see in bright light are called cones, and these are not destroyed by the disease itself, but by the toxic by - products released by the rod cells as they die.

Miniature and Toy Poodles, American and English Cocker Spaniels, Portuguese Water Dogs, and Labrador Retrievers have a form of PRA called progressive rod - cone degeneration (prcd).