Abstract
AbstractPurpose To evaluate the clinical characteristics of the unusual late postoperative capsular block syndrome (CBS) and the effect of neodymium:yttrium‐aluminium‐garnet (Nd:YAG) laser posterior capsulotomy on visual acuity, refractive error as well as its possible complicationsMethods Retrospective cohort study. Twelve eyes of 11 patients with late CBS who had undergone Nd:YAG laser posterior capsulotomy were reviewed. A complete examination including Scheimpflug camera and anterior segment optical coherence tomography (AS‐OCT) imaging had been performed before and after posterior capsulotomyResults BCVA increased in 11 cases (91.7%). Only one eye showed a 0.5 diopter hyperopic shift following posterior capsulotomy. There were no post‐laser complications such as increased IOP or cystoid macular edema. In all patients, the posterior capsule was vaulted posteriorly and could not be seen clearly. AS‐OCT confirmed CBS in the studied cases, demonstrating a distended capsular bag. Rotating Scheimpflug imaging examination showed the white substance located behind the IOLConclusion Late CBS is usually not accompanied by shallow anterior chamber, forward IOL displacement or raised IOP. Nd:YAG laser posterior capsulotomy is a useful treatment and the prognosis of patients with this complication appears favorable. Although the AS‐OCT measurements are easier to get than Scheimplug imaging, both are useful to visualize the distended capsular bag containing the white material and the IOL position
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