Eye surgeons in the U.S. are inching closer to being able to use a specific type of stem cell transplant to fix a serious eye problem that can cause pain and permanent vision loss.
, a zone of tissue around the cornea that generates transparent cells that protect and heal the eye’s surface. Chemical burns and accidents can result in severe cases, like his, but overwearing contact lenses, multiple eye operations and inflammatory conditions are also causes. Limbal stem cell deficiency is one of theA novel type of stem cell treatment, however, appears to be a safe option for people with the condition.
For a person to see clearly, stem cells around the cornea — which is the transparent outermost layer of the eye — must constantly renew themselves. Deng, who wasn’t involved with Jurkunas’ research, is also conducting a clinical trial of CALEC transplants. In her study, she’s comparing how well the patients do against a control group of patients who were treated with scleral contact lenses. These large-diameter, rigid contact lenses are filled with fluid and used to stabilize the eye’s surface, she said.
“Not too long after the first surgery, I was able to see,” he said. “And I remember I FaceTimed one of my friends. I was crying.”Several other of Jurkunas’ patients have also had cornea transplants in addition to CALEC grafts, she said. Karakus said the new technique is “very promising, and, hopefully, if successful, it would be a good option for complicated cases,” including people who have been told nothing could be done for them.
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