These days, medical advances seem to be happening in the blink of an eye. Now, British scientists report they have created human corneas using 3D-printing technology.

The researchers said they hope this breakthrough will one day ensure an unlimited supply of corneas. Human corneas are now in short supply.

Startling statistics

There are 10 million people around the world who need them to prevent blindness.

These millions need surgery to prevent corneal blindness caused by diseases such as trachoma, an infectious eye disorder.

Another five million people already suffer total blindness from corneal scarring caused by burns, lacerations, abrasion or disease, the researchers added.

The cornea, the outermost layer of the eye, plays a vital role in focusing, the study authors explained.

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