Abstract
To determine the characteristics of eyes with late in-the-bag dislocation of an intraocular lens (IOL) after pars plana vitrectomy (PPV). Fourteen eyes of 14 patients with a dislocated IOL after PPV were studied retrospectively. The data collected from the medical charts included the age, sex, history of eye diseases, axial length, and interval from PPV to time of IOL dislocation. The surgical procedures used during the PPV were also recorded. Seven eyes had undergone PPV for rhegmatogenous retinal detachment; 6 eyes, for proliferative diabetic retinopathy; and 1 eye, for retinal vein occlusion. The average interval between the PPV and the diagnosis of the dislocated IOL was 6.2years (range 2.3-10.1years). In all eyes, the peripheral vitreous was thoroughly removed with scleral depression during the PPV. The IOL dislocation was most likely caused by damage to the zonular fibers by the peripheral vitrectomy with scleral depression.
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