8 Patch Grafts

Le résumé fourni par la source

Patch grafts are usually indicated for localized corneal defects and perforations. The most common indications are infectious keratitis or autoimmune peripheral ulcerative keratitis. Corneal tissue, conjunctival grafts, or amniotic membranes are most commonly used as patches. Often, these are used as temporary emergency treatment until a more definitive surgery can be performed under more controlled circumstances, although, for peripheral defects, no further management may be required. The advantage of patch grafts over conventional penetrating corneal transplants is that as they are usually small, rejection is not as much of an issue.

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