keratoprosthesis

keratoprosthesis
Replacement of the central area of an opacified cornea by plastic. [kerato- + G. prosthesis, addition]

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ker·a·to·pros·the·sis .ker-ət-ō-präs-'thē-səs, -'präs-thə- n, pl -the·ses -.sēz a plastic replacement for an opacified inner part of a cornea

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n.
an optically clear prosthesis that is implanted into the cornea to replace an area that has become opaque. Due to its poor success rate, it is used only as a last resort in an attempt to restore some sight to patients with severe disease and dry eyes when corneal transplantation (see keratoplasty) is certain to fail.

Medical dictionary. 2011.

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