Osteo-odonto-keratoprosthesis or "tooth in eye" surgery for short is a procedure in which an individual's tooth is combined the skin from his or her cheek to create a manmade lense which will restore vision.

To begin, the patient's tooth is extracted along with part of the jaw bone, chiseled into a square and hole is drilled in the middle.

The tooth is then combined with a manmade tube and implanted into the cheek or chest for two to four months in order to allow the damaged tissue around the tooth to heel.

A patch of skin from inside the patient's cheek is taken and placed over the eye. — Reuters