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A Novel Capsulorhexis Technique Using Shearing Forces with Cystotome
Published on: May 15, 2010
Capsule milking: Modification of capsulorhexis technique for intumescent cataract
Soon-Phaik Chee1, Nicole Shu-Wen Chan1
1From Singapore National Eye Centre (Chee), the Department of Ophthalmology (Chee), Yong Loo Lin School of Medicine, National University of Singapore, the Singapore Eye Research Institute (Chee), Duke-National University Singapore Medical School (Chee), and Singapore General Hospital (Chan), Singapore, Singapore.
Abstract:
We describe a single-stage modification of the continuous curvilinear capsulorhexis that facilitates creation of a well-sized round and centered capsulorhexis in an intumescent cataract. This is done without special instrumentation. The modification is based on overcoming the problem of high intralenticular pressure. It involves physically flattening the central anterior capsule, specifically over the site of puncture, simultaneous puncture and aspiration for decompression, followed by flattening of the midperiphery of the lens where the capsulorhexis can be safely initiated. This minimizes the tendency of capsulorhexis runaway and allows 1-stage creation of a well-sized capsule opening for phacoemulsification.
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