title: Spontaneous posterior dislocation of intraocular lenses fixated in the capsular bag.
abstract: We report 4 cases of complete posterior dislocation of an intraocular lens (IOL) in the capsular bag occurring a mean of 5.5 years after uneventful cataract surgery. In all 4 cases, posterior chamber IOLs were fixated within the capsulorhexis. The patients experienced sudden loss of vision without an episode of trauma or ocular disease. Using a 3-port pars plana vitrectomy, the IOLs were explanted through a limbal incision and a new IOL was sutured to the ciliary sulcus. Histological examination indicated that zonular fibers were severed at the site of insertion in the capsule.
authors.affiliation: Department of Ophthalmology, University of Tokyo School of Medicine, Tokyo, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Shigeeda
authors.forename: Miyuki
authors.initials: M
authors.lastname: Nagahara
authors.forename: Satoshi
authors.initials: S
authors.lastname: Kato
authors.forename: Shiho
authors.initials: S
authors.lastname: Kunimatsu
authors.forename: Yuichi
authors.initials: Y
authors.lastname: Kaji
authors.forename: Sumiyoshi
authors.initials: S
authors.lastname: Tanaka
authors.forename: Shiro
authors.initials: S
authors.lastname: Amano
authors.forename: Tetsuro
authors.initials: T
authors.lastname: Oshika
mesh_terms: D019923:Capsulorhexis; D005548:Foreign-Body Migration / Q000473:pathology / Q000601:surgery; D006801:Humans; D007903:Lens Capsule, Crystalline / Q000601:surgery*; D019654:Lens Implantation, Intraocular; D007910:Lenses, Intraocular / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D012086:Reoperation