Intraoperative Floppy Iris Syndrome (IFIS) is a potencial complication encountered during cataract surgery in patients treated with α1-adrenergic receptor antagonists (α1-ARAs) for lower urinary tract symptoms. Therefore, careful assessment of pharmacological history is essential during the preoperative biometric evaluation of patients indicated for cataract surgery. In this study, the investigators expand the standart preoperative assessment by incorporating measurements of iris thickness at the level of the dilator and sphincter pupillae muscles, as well as pupil diameter, using anterior segment optical coherence tomography in patients receiving α1-ARAs. The aim of the study was to determine whether these parameters are associated with the intraoperative risk of IFIS development.
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Thickness of pupillary dilator muscle
Timeframe: preoperatively
Thickness of pupillary sphincter muscle
Timeframe: preoperatively
Ratio of the thickness of pupillary dilator muscle and pupillary sphincter muscle
Timeframe: preoperatively
Pupil diameter
Timeframe: preoperatively
Development of IFIS during cataract surgery
Timeframe: intraoperative
Severity of IFIS during cataract surgery
Timeframe: intraoperative
Incidence of intraoperative complications
Timeframe: intraoperative