https://thenextweb.com/science/2018/05/30/researchers-create-the-first-3d-printed-corneas-to-combat-blindness/

Researchers at the University Of Newcastle have announced they’ve managed to 3D print corneas – the outermost part of the human eye.

This is incredible, life-changing news for a lot of folks. Worldwide, 10 million people require surgery to prevent corneal blindness from diseases like trachoma. On top of this, almost 5 million are completely blind due to corneal scarring from accidents or illnesses.