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Cornea

Efficacy of chandelier illumination for combined cataract operation and penetrating keratoplasty.


PMID 25564335

Abstract

The aim of this study was to describe a method for non-open-sky continuous curvilinear capsulorhexis (CCC) with chandelier retroillumination for penetrating keratoplasty triple procedure and report its effectiveness in decreasing intraoperative complications and enabling successful primary intraocular lens (IOL) insertion in patients with moderate or dense central corneal opacities. Seventeen eyes of 17 patients were enrolled in this study, divided into a chandelier group, including 7 eyes of 7 patients, and a nonchandelier group, including 10 eyes of 10 patients. In each group, time to achieve CCC (in seconds), open-sky time (in seconds), and operation time (in minutes) were measured, and the rates of successful CCC completion, rupture of the posterior capsule or zonule of Zinn, and successful IOL insertion were recorded. CCC time was not significantly different in both groups. In the chandelier group, however, open-sky time and operation time were significantly shorter than in the nonchandelier group (1429 ± 67 vs. 2016 ± 354 seconds, and 90.4 ± 3.5 vs. 108.9 ± 10.3 minutes, respectively). In the chandelier group, the rate of successful CCC completion was significantly higher than in the nonchandelier group (86% vs. 30%). The rates of posterior capsule or zonule of Zinn rupture and successful IOL insertion were not significantly different (14% vs. 40%, 14% vs. 10%, and 86% vs. 70%, respectively). Non-open-sky CCC with chandelier illumination has many advantages for penetrating keratoplasty triple procedure compared with open-sky CCC without chandelier illumination.

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