• A total of 240 consecutive penetrating keratoplasties with a minimum six months' follow-up were examined to determine the influence of preoperative prognosis, donor age, death-enucleation time, death-surgery time, and surgical experience on graft clarity. Graft results, classified as clear, nebulous, or edematous, were compared within two prognostic categories in aphakic, combined, and phakic keratoplasty groups. Preoperative prognostic groups and surgical experience appeared to be most important in affecting graft clarity, whereas the donor age, death-enucleation time, and death. surgery time seemed to have little effect.
Abbott RL, Forster RK. Determinants of Graft Clarity in Penetrating Keratoplasty. Arch Ophthalmol. 1979;97(6):1071–1075. doi:10.1001/archopht.1979.01020010525001
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