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Scientists discover organ donors’ eyes ‘can be brought back to life’

Is death actually reversible? Scientists discover that organ donors’ eyes can be ‘brought back to life’ in major breakthrough

  • Donors’ eyes reacted to even dim light ‘as they do in the living eye’
  • Cells in the retina respond to light and communicate even five hours after death
  • If these extend to the brain, we can bring back living beings from the dead
  • The groundbreaking findings ‘raise the question of whether brain death, as it is currently defined, is truly irreversible’

Death could be reversible, according to scientists who found that organ donors’ eyes can “be brought back to life.”

Light-sensitive cells in the retina were able to respond to light and communicate with each other for up to five hours after death, sending out signals “similar to those of living subjects.”

These neurons in the retina are part of the central nervous system (CNS), including the brain and spinal cord, raising the possibility of repairing other CNS cells as well.

This breakthrough can bring back human consciousness.

To achieve their results, the scientists designed a special transport unit that could restore oxygen and other nutrients to the eyes once removed from a donor.

The authors, writing in the journal Nature, said the study “raises the question of whether brain death, as it is currently defined, is truly irreversible.”

Cells in the retina of the eye may hold the key to reversing death

dr. Fatima Abbas, the lead author of the University of Utah, said: ‘We were able to wake up photoreceptor cells in the human macula, the part of the retina responsible for our central vision and our ability to see fine details and colors. . †

“In eyes obtained up to five hours after the death of an organ donor, these cells responded to bright light, colored light and even very faint flashes of light.”

The new research goes one step further than a 2019 Yale University study that rebooted the brains of 32 decapitated pigs slaughtered four hours earlier.

“We were able to get the retinal cells to talk to each other like they do in the living eye,” said Dr. Frans Vinberg of the University of Utah.

“This has never been achieved in the macula, and never to the extent that we have now demonstrated,” he added.

The researchers also hope the breakthrough could accelerate new therapies for vision loss and improve their understanding of brain diseases.


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