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sight was restored in 14 blind patients

The experimentation –

“Although corneal blindness can be cured by transplantation, an estimated 12.7 million people are waiting for a cornea donor, with one cornea available in every 70 needed,” write the researchers who sought to develop an affordable, accessible cornea substitute . and easy to implant.

The device was created using collagen molecules derived from pig skin that underwent a purification process that was already used for other medical applications.

The artificial cornea was implanted in 20 patients suffering from a degenerative disease of the cornea (keratoconus) in Iran and India. Fourteen of them were blind.

The results –

In the weeks following surgery, the implant proved able to correct disease-related damage and restore the thickness and structure of the cornea. Participants’ vision improved similarly to what would be expected after a natural cornea transplant.

The 14 blind patients regained their vision and three of them achieved 10/10 perfect vision. “The results show that it is possible to develop a biomaterial that meets all the criteria to be used for human implants, which can be mass-produced and stored for up to two years, thus reaching even more people with vision problems,” he said. said. Study coordinator Neil Lagali said in a note. “This gets us around the problem of a shortage of donor corneal tissue and access to other treatments for eye diseases,” he concluded.

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