Through the activation of thousands of retinal cone cells, Oz elicited the perception of a “highly saturated blue-green color” — a hue previously unseen by the human eye.

Human eyes have three types of cone cells: red-sensing cone cells, ... The retina is made up of layers upon layers of cells. The retina structure consists of ten separate layers.

Normal vision involves all three cone cells in the retina — S, L, and M, which are respectively sensitive to blue, red and green — and the three types' functions overlap.

Scientists have achieved a remarkable success in retinal transplantation. They have fixed a hole in a monkey’s retina with a patch derived from human stem cells. Researchers used a non-human ...

In zebrafish there are four types: red, green, blue, and UV cone cells. The cone mosaic refers to the highly organized spatial arrangement of these different cone types across the surface of the ...

3. Bull's-Eye While most rods are evenly dispersed throughout the retina, all of an eye’s 6 million or so color-sensitive cones are concentrated in a 1/7-inch bull’s-eye of color vision—the macula.

Antioxidants Preserve Cone Cells In the Eye Researchers were fruitful in preventing the progress of retinitis pigmentosa (RP) using the combination of chemicals such as vitamin E, alpha-lipoic ...

A new retinal stimulation technique called Oz enabled volunteers to see colours that lie beyond the natural range of human vision. Developed by researchers at UC Berkeley, Oz works by stimulating ...

Cone monochromacy: It happens when 2 of your 3 cone cell photopigments -- red, green, or blue -- don’t work. When only one type of cone works, it’s hard to tell one color from another.

A Northwestern Medicine study has uncovered novel cellular mechanisms within the retina, findings that could help advance the development of targeted therapeutics for diseases and conditions impacting ...