For some years, scientists have been seeking ways to reduce animal testing and accelerate clinical trials. In vitro assays with living cells are an alternative, but have limitations, as the interconnection and interaction ...
Jan 24, 2018
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Dr. Wolf M. Harmening from University Eye Hospital Bonn, together with American colleagues, studied color vision by probing individual sensory cells - photoreceptors - in the human eye. The results confirm that the photoreceptor ...
Sep 6, 2017
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A team of engineers at the University of California San Diego and La Jolla-based startup Nanovision Biosciences Inc. have developed the nanotechnology and wireless electronics for a new type of retinal prosthesis that brings ...
Mar 14, 2017
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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. But in species such as zebrafish these cells, ...
Sep 28, 2016
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"Why, Grandma, what big eyes you have!" Though similar in appearance, the hidden cause of those big eyes Little Red Riding Hood notices in Grimms' fairy tale has nothing to do with the hidden cause of enlarged eyeballs in ...
Oct 2, 2015
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From a practical standpoint, the wiring of the human eye - a product of our evolutionary baggage - doesn't make a lot of sense. In vertebrates, photoreceptors are located behind the neurons in the back of the eye - resulting ...
Feb 27, 2015
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Eye surgeons at the University of Adelaide have discovered that the retina in human eyes uses energy in a very similar way to cancer, which could lead to improved understanding of cancers as well as eye disease such as macular ...
Dec 5, 2014
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(Medical Xpress)—Vision – so crucial to human health and well-being – depends on job-sharing by just a few cell types, the rod cells and cone cells, in our retina. Botond Roska and his group have identified a novel ...
Nov 19, 2014
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Japanese researchers Friday conducted the world's first surgery to implant "iPS" stem cells in a human body in a major boost to regenerative medicine, two institutions involved said.
Sep 12, 2014
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Using a type of human stem cell, Johns Hopkins researchers say they have created a three-dimensional complement of human retinal tissue in the laboratory, which notably includes functioning photoreceptor cells capable of ...
Jun 10, 2014
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