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A Modified, Paracentesis-fitting Capsule-forceps for Anterior and Posterior Capsulorhexis in Pediatric Cataract Surgery
Schmitz K., Behrens-Baumann W.,
Otto-von-Guericke-Universität Magdeburg, Universitäts-Augenklinik (Magdeburg)
Purpose: The differing tissue properties of pediatric lens capsules compared to senile capsules (greater rigidity and elasticity) require a modified technique for capsulorhexis in pediatric cataract surgery.
Methods: We developed a capsule forceps specially for capsulorhexis in infants. The instrument can be passed through a paracentesis and thus allows the procedure in a deep and stable anterior chamber environment. Modification of the forceps plates allows controlled tearing of the flap without torquing the capsule. Both of these aspects are important factors for the prevention of a runaway rhexis to the equator.
Results: In the meantime, we use the new capsule forceps routinely in pediatric cataract surgery. It allows the reproducible performance of a controlled capsulorhexis of the anterior and posterior lens capsule under the difficult conditions in infants.
Conclusions: The presented modified instrument helped us to make one challenge in capsulorhexis and cataract surgery in infants a little less difficult. It helps to reduce the risks for intra- and postoperative complications related to a non-patent capsulorhexis.