Keratoprosthesis is basically an artificial cornea. In people with extensively scarred corneas, as in chemical burns, Steven Johnson syndrome or in those patients with failure of multiple keratoplasty (corneal transplant from cadaver) has failed, keratoprosthesis will be helpful. It is basically a special tube extending from inside the eye to the outside and anchored to to the front surface of the cornea. The tube might have a optical disc in the centre.
A keratoprosthesis is usually made of a special plastic material but it can be even fashioned out of the patient's own tooth! Read about Modified osteo-odonto-keratoprosthesis (MOOKP)
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