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We examined both a parallel and a cross technique in comparison with operations not using block suture. Of the 44 eyes that underwent surgery without block suture, aqueous leakage occurred in 4 eyes (9.0%). Of 51 eyes that underwent the parallel technique, 1 eye (2.0%) leaked from the limbus incision. In contrast, leaks were not detected in any of the 58 eyes that underwent the cross technique.
Dr. K. Yoshida, Department of Ophthalmology and Visual Sciences, Hokkaido University Graduate School of Medicine, North 15, West 7, Kita-ku, Sapporo 060-8638, Japan. kyoshida@med.hokudai.ac.jp