This study is a single-center, randomized, controlled, open-label clinical trial designed to evaluate the intervention effect of inhaled aromatherapy on intraoperative fear in patients undergoing lower blepharoplasty (eyelid bag surgery) under local anesthesia.
Age 18-65 years, either sex
Scheduled for elective bilateral lower blepharoplasty (eyelid bag surgery)
Anesthesia: pure local anesthesia (lidocaine and/or ropivacaine) without any sedative agents
ASA physical status I-II
History of allergy to lavender essential oil or any botanical essential oil
Diagnosed olfactory disorder, chronic rhinitis, asthma, COPD, or other respiratory diseases
Preoperative use of anxiolytics, sedatives, or opioid analgesics
History of psychiatric disorders, cognitive impairment, or needle phobia (trypanophobia)