The first human corneas have been 3D printed by scientists. The technique could be used in the future to ensure an unlimited supply of corneas. The proof-of-concept research showed how stem cells from a healthy donor cornea were mixed together with alginate and collagen to create a ‘bio-ink’.

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The first human corneas have been 3D printed by scientists. The technique could be used in the future to ensure an unlimited supply of corneas. The proof-of-concept research showed how stem cells from a healthy donor cornea were mixed together with alginate and collagen to create a ‘bio-ink’.