Implants made from pig skin have restored sight to 20 people with diseased corneas, in an exciting pilot clinical trial.
Implants made from pig skin have restored sight to 20 people with diseased corneas, in an exciting pilot. Many of the patients were blind before receiving the help of this bioengineered tissue.
As the means to provide these transplants are costly, and donated corneas are in short supply, most people in the world do not have access to effective treatments. Our cornea – the clear screen over the front part of our eye that shields our iris and pupil – is mostly composed of different types of collagen. This structure can gradually thin out over time, causing it to bulge outwards and distort our vision in a condition calledWhile the exact cause of this thinning isn't known, genetics, vigorous eye rubbing, and conditions including hay, asthma, Down syndrome, and Ehlers-Danlos syndrome can increase the chances of developing keratoconus.
The minimally invasive surgery leaves the corneal nerves and cell layers intact, allowing the wound to rapidly heal.
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