What happens to the pig's cornea, transplanted into the human eye? On July 5, the first biological corneal transplant operation in Fujian Province was successfully completed in the Second People's Hospital of Fujian Province. An 81-year-old veteran with a corneal blindness for many years transplanted a "porcine cornea." After a month of recovery, the recent review, the left eye vision returned to 0.12, which means that he can see the five senses of 5 meters away. Before the operation, he was almost blind.
Chen Sheng, director of the Department of Ophthalmology of the Second People's Hospital affiliated to Fujian University of Traditional Chinese Medicine, said that “porcine cornea†is not a simple porcine cornea, but is specially treated to prevent its rejection. After transplantation, it can gradually grow with its original corneal tissue. Together. This will allow more corneal blind patients to recover.
Surgery: 1 month after transplant, can see 5 meters away
Director Chen Sheng said that this case of a corneal transplant was an 81-year-old veteran. Three or four decades ago, his right eye was injured, and the cornea was damaged. He could only see his fingers shaking in front of his eyes, almost blind.
"If the human eye is a camera, the cornea is the lens of this complicated camera." Director Chen Sheng said that after the cornea is injured, scars are formed, and the light will not enter, and the veterans will not see.
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On July 5th, he performed a biokeratal transplant for veterans and transplanted the specially treated "porcine cornea" onto the veteran's cornea.
Chen Sheng said that the technology of biokeratome transplantation has matured to which layer is damaged and which layer is transplanted. It is medically called lamellar transplantation. The cornea is divided into five levels, namely epithelial cell layer, anterior elastic layer, stromal layer, posterior elastic layer and endothelial cell layer. The veteran transplanted the front elastic layer and the deep matrix layer. The doctor first peeled the scar cornea and implanted the "porcine cornea". The transplanted "porcine cornea" gradually grew together with the human cornea.
One month after the operation, the elderly reviewed the visual acuity and recovered to 0.12, which means that he can see the five senses of the 5m opener. Chen Sheng said that after 3 to 6 months, vision will be further restored.
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