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Ophthalmology ; 104(4): 643-7, 1997 Apr.
Article in English | MEDLINE | ID: mdl-9111257

ABSTRACT

PURPOSE: The purpose of the study is to report the outcome and postoperative topographic analysis of seven patients who underwent small-diameter, round, eccentric penetrating keratoplasty. METHODS: Seven patients underwent small-diameter, round, eccentric penetrating keratoplasty for a variety of corneal disorders (cataract wound necrosis and dehiscence or fistula, three patients; penetrating keratoplasty wound infection, two patients; corneal rheumatoid melt and perforation, one patient; localized fungal keratitis, one patient). Full-thickness corneal transplants ranged in size from 3.0 to 5.5 mm. The graft wound and sutures spared the visual axis in all cases. Patients were observed for 7 to 42 months (mean, 21 months). All patients had postoperative topographic analysis. One of these also had preoperative analysis. RESULTS: All grafts tectonically were effective in treating the intended condition. Best-corrected visual acuity was 20/30 or better in the four patients without pre-existing corneal transplants or dry eyes; 20/60 and 5/200 in the patients with previous central penetrating keratoplasties; and 20/40 in the patient with rheumatoid melt. There was no clinically significant regular or irregular astigmatism induced centrally by the eccentric graft in the four patients where visual acuity was 20/30 or better. Irregular astigmatism was noted in the other three patients. CONCLUSION: Small-diameter, eccentric penetrating keratoplasties may be used successfully to treat various peripheral corneal disorders. In some cases, this can be performed without inducing high or irregular astigmatism or both centrally.


Subject(s)
Cornea/pathology , Corneal Diseases/pathology , Corneal Diseases/surgery , Keratoplasty, Penetrating/methods , Adult , Aged , Aged, 80 and over , Corneal Diseases/physiopathology , Female , Humans , Male , Middle Aged , Postoperative Complications , Postoperative Period , Retrospective Studies , Treatment Outcome , Visual Acuity
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