Sentences with phrase «retina absorbs light»
When a rod cell in the retina absorbs light, a cascade of reactions results in a nerve signal.
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This important nutrient helps the eye retina absorb and process light.
Bright light absorbed by the retina during the day helps to synchronize the rhythms of activity of the clock genes to the prevailing environmental cycle.
Nathans is a neuroscientist who studies how cells in the retina — the light - absorbing structure at the back of the eye, which is considered part of the brain — assume their correct identities, and how those cells respond to injury and disease.
The researchers were surprised to find that the removal of Onecut1 also had an impact on photoreceptor cells, the rods and cones that absorb light in the retina and convert that energy to an electrical impulse eventually conveyed to the brain.
These cells protect and nourish the retina, remove waste products, prevent new blood vessel growth into the retinal layer, and absorb light not absorbed by the photoreceptor cells; these actions prevent the scattering of the light and enhance clarity of vision.
«A recent discovery is that light is absorbed through the melanopsin ganglion cells in the eye, which goes through the retina hypothalamic tract (RHT) and into the brain, stimulating the pineal gland,» Collings says.
Studies show that these compounds deposit in the retina, the light - sensitive portion of your eye, and absorb ultraviolet light that could damage your vision.
The retina is a layer of cells in the back of the eye which absorbs light, and sends the appropriate electrical signals to the brain.
This structure — the tapetum lucidum — reflects light not absorbed by the retina during its first passage through the eye, thus giving the light a second chance to be absorbed and transmitted to the brain.
Light is reflected outward, giving the dog's retina a second chance to absorb the rays.