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Ophthalmology. 1982 Jun;89(6):651-4.

The prognosis for keratoplasty in keratoconus.


The long-term results in 326 eyes grafted for phakic keratoconus by the same surgeon were reviewed. All consecutive grafts performed for this disease with a minimum of five-year follow-up were included in the study. The mean follow-up was 11.3 years, with a range of 5 to 34 years. Ninety percent of grafts remained clear, 3% were nebulous but retained 20/40 vision, and 7% failed. Donor age was available for 188 of the 326 grafts. No relationship was found between donor age and long-term graft clarity even when older (more than 70 years) donor tissue was used. The visual acuity was measured with the patient's preferred optical device worn daily. Seventy-three percent of eyes achieved 20/40 or better vision after their initial graft.

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