Survival rate of corneal transplants for keratoconus high 20 years postop

Corneal allografts for keratoconus failed frequently after 2 years, but the likelihood of failure decreased by 20 years after surgery, according to a study.The retrospective case series included 219 eyes of 184 patients who underwent corneal transplantation for keratoconus between 1980 and 1986. Average patient age at the time of surgery was 36.8 years. The average age of donors was 38.9 years.

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