First ever 3D printed human corneas are made by UK scientists

Scientists have made human corneas with a 3D printer for the first time ever at Newcastle University.” argues Researchers used human stem cells combined with collagen and alginate, which together turn into a strong gel, which could be used by a printer.It is solid enough to hold its shape, soft enough to squeeze through the printer nozzle, and in which human stem cells can survive.The UK’s cornea shortage is caused by people opting out of donating their eyes when they die, according to eye research charity Fight for Sight.They say the technology could be used to produce an unlimited supply of corneas to combat a global shortage for people who need transplants.

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