* Corneas made from pig skin restore sight in humans: study The Hill
* Pig skin protein restores sight to blind people in study – including three who got perfect vision CBS News
* Eye implant made from pig protein restored sight in 14 blind people NBC News
* Cornea made from pig collagen gives people who were blind 20/20 vision New Scientist
* Pig skin protein gives sight back to 14 blind people – including three with perfect vision CBS News
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