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Capsular bag distension syndrome (CBDS) is a rare complication following cataract surgery with posterior chamber intraocular lens (IOL) implantation. We describe the case of a 68-year-old female who developed early-onset CBDS of her left eye after manual small-incision cataract surgery with implantation of posterior chamber IOL in the sulcus (Excel PMMA IOL (polymethyl methacrylate), Manufactured by Excel Optics (P) Limited, Chennai). The patient had an uneventful cataract surgery performed by a resident in training. Her immediate postoperative uncorrected vision was 20/40, but it decreased to finger counting 1 m on postoperative day 7, for which she presented back to hospital. Slit-lamp examination revealed a quiet anterior chamber without any cells–flare with IOL in the sulcus with a relatively smaller capsulorhexis of about 5 mm, and IOL optic was covering the capsulorhexis in a symmetric fashion, thus causing a block. Distension of capsular bag was further confirmed by Anterion anterior segment optical coherence tomography (Heidelberg Engineering Technology, Germany), which showed a confined hyperechogenic fluid trapped between the IOL and the posterior capsule. She was diagnosed with CBDS secondary to retention of turbid fluid. Phased treatment was done; neodymium-doped yttrium aluminum garnet capsulotomy was tried in the first attempt, but failed as the posterior capsule was far too behind. This was followed by anterior chamber wash with redialing of the lens in the bag, which thereby improved vision to 20/20 (best corrected visual acuity) at 1-week postoperatively. Even with IOL in the sulcus, the postoperative CBDS may rarely happen at any point of time with a small capsulorrhexis and an intumescent mature cataract. Immense cortex wash should always be kept in mind in such a case, as the liquefied cortex is sometimes stuck at the equator and a little more duration of irrigation is required in such scenarios. Hence, complete clearance of turbid fluid of intumescent mature cataract variety also holds due importance similar to the need of removing viscoelastic substance to prevent CBDS.
Singh et al. (Mon,) studied this question.