Acta ophthalmologica Scandinavica · 2006
Penetrating keratoplasty combined with posterior Artisan iris-fixated intraocular lens implantation.
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Dighiero Paul, Guigou Sébastien, Mercie Martial, Briat Benoit, Ellies Pierre, Gicquel Jean-Jacques
Аннотация
PURPOSE: To present a new surgical technique combining penetrating keratoplasty and open-sky posterior iris fixation of the Artisan iris-claw intraocular lens (IOL) for treatment of pseudophakic bullous keratopathy in a case series of five patients.
METHODS: A graft diameter of 8.25 mm was chosen. The formerly implanted angle-supported IOL was removed. The IOL was enclosed, entrapping a fraction of the mid-peripheral iris within the haptics whilst being held firmly with the implantation forceps. The corneal button was sutured to the recipient bed with 10-0 nylon sutures. A specular microscope was used for making an endothelial cell count. Patients underwent an ultrasound biomicroscope (UBM) scan before and 6 months after surgery and postoperative macular oedema was assessed by optical coherence tomography (OCT). The minimum follow-up was 12 months.
RESULTS: Visual acuity (VA) improved in all five cases (mean best corrected VA was 0.4 postoperatively versus 1.28 preoperatively). No complications were noted. The mean endothelial cell density obtained after 1 year was 1508 cells/mm(2). The UBM study showed a deep anterior chamber and an open iridocorneal angle of 360 degrees in all cases.
CONCLUSION: The implantation of the Artisan device behind the iris better preserves the anatomy of the anterior segment with respect to the iridocorneal angle.
METHODS: A graft diameter of 8.25 mm was chosen. The formerly implanted angle-supported IOL was removed. The IOL was enclosed, entrapping a fraction of the mid-peripheral iris within the haptics whilst being held firmly with the implantation forceps. The corneal button was sutured to the recipient bed with 10-0 nylon sutures. A specular microscope was used for making an endothelial cell count. Patients underwent an ultrasound biomicroscope (UBM) scan before and 6 months after surgery and postoperative macular oedema was assessed by optical coherence tomography (OCT). The minimum follow-up was 12 months.
RESULTS: Visual acuity (VA) improved in all five cases (mean best corrected VA was 0.4 postoperatively versus 1.28 preoperatively). No complications were noted. The mean endothelial cell density obtained after 1 year was 1508 cells/mm(2). The UBM study showed a deep anterior chamber and an open iridocorneal angle of 360 degrees in all cases.
CONCLUSION: The implantation of the Artisan device behind the iris better preserves the anatomy of the anterior segment with respect to the iridocorneal angle.