Sentences with phrase «human retina»

The phrase "human retina" refers to a part of the eye that is sensitive to light. It helps us process visual information and sends signals to our brain, allowing us to see. Full definition
Scientists suggest that neurons are at the front of photoreceptors in human retina.
The published paper concluded that» «molecular alterations detected in the ocular hypertensive human retina as opposed to previously detected alterations in human donor retinas with clinically manifest glaucoma suggest that proteome alterations determine the individual threshold to tolerate the ocular hypertension - induced tissue stress or convert to glaucomatous neurodegeneration when intrinsic adaptive / protective responses are overwhelmed.»
This replacement therapy would become practical once human retina tissue is available by our method,» says Sasai.
Working with human retina cells, the researchers tweaked Plk4 so that it would be sent to cellular trash cans whenever they gave the cells a plant hormone called auxin.
56 no. 10) published results from this research project in «Proteomics Analysis of Molecular Risk Factors in the Ocular Hypertensive Human Retina
CNBC visits researchers in Oxford, U.K., who are working on slowing or restoring the loss of sight by creating healthy DNA for the human retina.
The human retina is a patch of nervous tissue in the back of the eyeball half a millimeter thick and approximately two centimeters across.
The retinoid cycle is one of the most important cycles in the human retina because it produces a molecule called 11 - cis retinal which has the special capacity to capture light and initiate vision.
The question that carried him from vision research to autism had to do with what happens after light hits the human retina: How are the incoming signals transformed into data that are ultimately processed as images in the brain?
Human retinas are surprisingly sensitive, capable of being triggered by roughly seven photons.
The human retina need only be sensitive to a few wavelengths, or colors, in order for our brains to sense all the intermediate ones.
The human retina has a nonuniform distribution of rods and cones, and the scientists are investigating whether this could be exploited to design simpler LCDs.
Many diseases that lead to blindness, such as glaucoma and macular degeneration, are caused by the death of certain cells in the human retina that lack the ability to regenerate.
In the human retina, the horizontal cell preferentially inhibits the red and green cones, but not the blue cones.
The neural circuits that make up the human retina, and the blood vessels that feed them, sit between the eye's lens and the photoreceptors — which lie against the back of the eye.
«The Vienna Reading Center is one of the leading centers in the world for analyzing images of the human retina,» said Ursula Schmidt - Erfurth, Director of the University Hospital of Ophthalmology and Optometry at MedUni Vienna, speaking at a press conference in Vienna on Thursday.
Steve Jobs introduced the Retina display like this: «There's a magic number right around 300 pixels per inch, that when you hold something around to 10 to 12 inches away from your eyes, is the limit of the human retina to differentiate the pixels.»
Rod and cone cells in the human retina contain proteins called opsins that change shape when light strikes them.
Researchers estimate that the human retina can transmit visual input at about the same rate as an Ethernet connection, at roughly 10 million bits per second.
The human retina has about 10 times more cones than a cat, with light receptors that function best in bright light.
Cats have rods and cones in their retinas, but in different proportion than in the human retina.
Dogs have rods and cones in their retinas, but in different proportion than in the human retina.
The human retina has about 120 million photoreceptors (rods and cones); of these, only about 6 million are cones (5 %).
It is a fact, there is a design flaw in the neural circuits that make up the human retina.
Essentially, a visual electrodiagnostic software is used to measure the proper functioning of the human retina and eye nerves.
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