Abstract
PURPOSE: To report the preliminary results of a surgical technique for transplantation of posterior corneal tissue through a sclerocorneal pocket incision for corneal endothelial disorders.
DESIGN: Retrospective, noncomparative, interventional cases series.
PARTICIPANTS AND INTERVENTION: In seven sighted human eyes, a deep stromal pocket was created across the cornea through a 9.0-mm superior scleral incision. A 7.0- or 7.5-mm diameter, posterior lamellar disc was excised and replaced by a 'same size' donor posterior disc, without suture fixation. The scleral incision was sutured.
MAIN OUTCOME MEASURES: Intra- and postoperative complications, best spectacle-corrected visual acuity, keratometry, topography, biomicroscopy, pachymetry, and endothelial cell density were evaluated.
RESULTS: Six to 12 months after surgery, all transplants were clear and in position. Best spectacle-corrected visual acuity was limited by preexisting maculopathies in two eyes and varied from 20/80 to 20/20. Postoperative astigmatism averaged 1. 54 diopters (D; standard deviation [SD] +/- 0.81 D), pachymetry averaged 0.49 mm (SD +/- 0.09 mm), and postoperative endothelial cell density averaged 2520 cells/mm(2) (SD +/- 340 cells/mm(2)). In one eye, a microperforation occurred during stromal pocket dissection so that the procedure was converted into a penetrating keratoplasty.
CONCLUSIONS: Posterior lamellar keratoplasty through a sclerocorneal pocket incision is a feasible surgical approach to manage corneal endothelial disorders.
Original language | English |
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Pages (from-to) | 1850-6; discussion 1857 |
Journal | Ophthalmology |
Volume | 107 |
Issue number | 10 |
DOIs | |
Publication status | Published - Oct 2000 |
Keywords
- Aged
- Aged, 80 and over
- Cell Count
- Cornea/pathology
- Corneal Dystrophies, Hereditary/pathology
- Corneal Topography
- Corneal Transplantation/methods
- Endothelium, Corneal/cytology
- Female
- Fuchs' Endothelial Dystrophy/pathology
- Humans
- Intraoperative Complications
- Male
- Middle Aged
- Postoperative Complications
- Retrospective Studies
- Sclera/pathology
- Surgical Flaps
- Suture Techniques
- Visual Acuity