The study used the retina as a model of the central nervous system to examine how neurons (brain cells) die, after which they devised new ways to regenerate them.
“We were able to wake up the photoreceptor cells in the human macula, which is the part of the retina responsible for our central vision and our ability to see fine details and colours. In eyes obtained up to five hours after the death of the organ donor, these cells responded to bright light, colored light and even very dim flashes of light, says Fatima Abbas, a scientist at Moran Eye Center.
The team also designed a Special transport unit to restore oxygen and other nutrients for the organ donor’s eyes.
“We were able to get retinal cells talking to each other the way they do in the living eye to mediate human vision. Previous studies have restored very limited electrical activity in organ donor eyes, but This has never been achieved in the macula, and has never been done to that extent,” says Frans Winberg of the University of Utah.
This approach may help further Developing treatments to improve vision And a sign of lightheadedness in the eyes with age-related diseases.
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