photoreceptors

In vertebrates, underneath the photoreceptors is a layer of pigment and pigment cells called the choroid the squid, cuttlefish and octopus have similar arrangements - more on this later, this layer of pigment absorbs stray light that is not caught by the photoreceptors, which might reflect back and fuzz up the image.

Denton vs Squid; the eye as suboptimal design. - The Panda's Thumb 2006

Housed within the deepest section of the photoreceptors is a pancake-like stack of discs containing light-absorbing pigment specific for one of the three color/photon energy ranges.

THE HIDDEN FACE OF GOD GERALD L. SCHROEDER 2001

Housed within the deepest section of the photoreceptors is a pancake-like stack of discs containing light-absorbing pigment specific for one of the three color/photon energy ranges.

THE HIDDEN FACE OF GOD GERALD L. SCHROEDER 2001

The main problem is that light-sensing cells in the macula, called photoreceptors, slowly break down.

chicagotribune.com - News 2011

The main problem is that light-sensing cells in the macula, called photoreceptors, slowly break down.

latimes.com - News 2011

And then there's a system of light-sensitive proteins called photoreceptors that use light as information and direct plant development and growth.

PhysOrg.com - latest science and technology news stories 2010

And then there's a system of light-sensitive proteins called photoreceptors that use light as information and direct plant development and growth.

PhysOrg.com - latest science and technology news stories 2010

'There are about 150 million light-sensitive cells - known as photoreceptors - in each eye.

India eNews 2009

"photoreceptors", which are lost at a rate of several hundred every day.

dailyindia.com News Feed 2009

Prof. MURTHY: Your photoreceptors are degenerated by your eye is perfectly fine otherwise - these people are blind.

Sensory Deception: Lab Mice Can 'Smell' Light 2010