A case of iridoschisis associated with lens displacement into the vitreous cavity


Tetsuya Mutoh1, Yukihiro Matsumoto1, Makoto Chikuda11Department of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Saitama, JapanAbstract: We report the case of a 67-year-old woman with a lens that was displaced into the vitreous cavity in one eye and ipsilateral iridoschisis. She was free from a history of ocular trauma or of heritable ocular disease. Her best-corrected visual acuity was 1.2 bilaterally and right eye showed signs of iridoschisis. The corneal endothelial cell density decreased to 1,263 cells/mm2 in the right eye preoperatively. We speculated that iris tissue flowing in the anterior chamber might have intermittently touched the corneal endothelium. 25-gauge pars plana vitrectomy and lens removal were performed immediately. Free-floating iris tissue was cut during surgery with care not to injure the corneal endothelial cells. The postoperative progress was satisfactory and scleral fixation of an intraocular lens is planned. Iridoschisis is an uncommon cause of lens displacement into the vitreous cavity.Keywords: lens displacement, vitreous cavity, iridoschisis, corneal endothelial cell density, free-floating iris tissu

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