Sentences with phrase «cells called cones»

Working with researchers at the Friedrich Miescher Institute for Biomedical Research in Switzerland, the MIT team also tested Jaws's ability to restore the light sensitivity of retinal cells called cones.

Humans can do this because our fovea, a small pit at the back of our eye packed with color - sensing cells called cones, is the only place where light hits the cones directly, which amps up clarity.

Because its eyes lack light - detecting cells called cones, it has fuzzy, colorless vision.

The retinal cells called cones come in three varieties.

Not exact matches

Our powers of color vision derive from cells in our eyes called cones, three types in all, each triggered by different wavelengths of light.

Rods excite a neuron called a horizontal cell, which then inhibits the ultraviolet cones.

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

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

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.

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.

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.

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.