We report the case of a 46-year-old female patient who presented with bilateral acute angle closure during the course of dengue infection. Dengue diagnosis was confirmed by serological tests. The patient had plateau iris configuration identified by ultrasound biomicroscopy. This is the second reported case with this condition during dengue fever and the first to describe the characteristics of the angle.
Intraocular pressure rise is a common complication after neodymium:yttrium-aluminum-garnet (Nd-YAG) laser posterior capsulotomy. Although in most cases it is related to an inflammatory response, there are other possible mechanisms such as misdirection syndrome and pupillary block. The authors report two cases of pupillary block by vitreous prolapse after Nd-YAG laser posterior capsulotomy evaluated by ultrasound biomicroscopy (UBM). UBM allows to differentiate possible causes of intraocular pressure rising after laser capsulotomy even in cases of corneal opacity. It also allows to detect intraocular lens dislocation, sometimes associated with this situation. This is the first report that describes the characteristics of UBM images of this complication.
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