Comparison of the effect of lavender inhalation and nature sounds on anxiety, hemodynamic parameters and pain in patients undergoing cataract surgery with regional anesthesia

INTERVENTION: Intervention 1: Patients in the intervention group with lavender, two drops of Alice lavender essential oil are instilled on a cotton ball and placed with a pin on the collar of the patient's clothing or near the patient's pillow, and the patient is asked to stand normally for 15 minutes To breathe. Intervention 2: Another intervention group is the nature of sound , which includes a combination of beach sounds, birds and rain. Wireless headphones are used to play music. Headphones can mask the sounds of the environment, so it makes the effect of the intervention clearer. The duration of playing the snature of sound, according to previous studies, is 15 minutes. The volume of nature's voice is adjusted by asking patients questions so that all patients receive a clear voice. Intervention 3: Control group: do not receive any Lavender and nature of sounds. CONDITION: patients undergoing cataract surgery with regional anesthesia. PRIMARY OUTCOME: The primary outcome in this study was anxiety and hemodynamic changes. Timepoint: Before surgery, during surgery and 90 minutes after anesthesia. Method of measurement: To collect data, demographic information and disease information questionnaire, Spielberger manifest anxiety level questionnaire, hemodynamic index registration form and VAS scale for pain are used. SECONDARY OUTCOME: Secondary consequences include pain, SPO2, and various possible complications such as nausea and vomiting and abdominal pain, headache, and other satisfaction. Timepoint: Before surgery, during surgery and 90 minutes after anesthesia. Method of measurement: . To collect data, demographic information and disease information questionnaire, Spielberger manifest anxiety level questionnaire, hemodynamic index registration form and VAS scale for pain are used. INCLUSION CRITERIA: Patients with cataracts physical and mental ability to answer questions willingness to participate in research having conscious satisfaction full awareness of place, time and surroundings able to understand and speak Persian