Effects of music on the preoperative and intraoperative anxiety through the assessment of pupil size and vital signs (blood pressure, respiratory, and pulse rates) among cataract surgery patients at UNTH-Enugu. - Ezepue CO; Anyatonwu OP; Duru CC; Odini F; Nwachukwu NZ; Onoh C; Nwachukwu N; Oguonu CA (Frontiers in ophthalmology, 2024)