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Keratoplasty with transplant geometry may offer improved treatment option

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MAGDEBURG, Germany — Initial results of an animal study indicate keratoplasty with freely selected transplant geometry and perfect congruence of donor button and recipient bed may offer new treatment options for humans in the future, researchers say.

Klaus Schmitz and others here with University Eye Hospital performed penetrating keratoplasty on 12 rabbits. Six rabbits had donor button and recipient bed trephination achieved by conventional methods and the other six by excimer laser trephination with a guided laser beam in a non-circular geometry.

Postoperative follow-up did not show any differences between the two procedures.

The study is published in the March issue of Graefe’s Archive of Clinical and Experimental Ophthalmology.