Within the binaural beat group, subjects experienced a statistically significant reduction in HR ( p = 0.004) and anxiety ( p < 0.001) levels compared to baseline values, while all parameters, except anxiety, increased significantly in the control group. Results: The binaural beat grou p had significantly lower pain scores ( p < 0.001), HR ( p < 0.001), diastolic BP ( p = 0.003), mean arterial pressure ( p = 0.007) and anxiety ( p = 0.009) than the control group. Intraoperative pain levels were ascertained using a visual analog scale (VAS) completed immediately after the surgery. Patients completed the State-Trait Anxiety Inventory questionnaire (STAI), and their blood pressure (BP) and heart rate (HR) were measured pre- and post-intervention. They were divided into two research conditions the binaural beat audio group, and a sham-control grou p (ear phones with no music). Methods: This was a prospective, randomized controlled trial of 61 patients undergoing cataract surgery under topical anaesthesia. Background: The aim of this paper was to examine the analgesic and anxiolytic effects of binaural beat audio in patients undergoing cataract surgery under topical anaesthesia.

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