None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years; 2. American Society of Anesthesiologists (ASA) grades I through III; 3. Patients scheduled for elective laparoscopic surgery with an expected general anesthesia duration of more than 2 hours.
Exclusion criteria
Exclusion criteria: 1. BMI>35 kg/m^2; 2. Emergency surgery. 3. Difficult airway (anticipated or previously documented). 4. Pre-existing or current severe ocular diseases (including ocular surgery within the past 3 months). 5. Severe or uncontrolled respiratory, circulatory, hepatic, or renal dysfunction. 6. History of sleep disorders (e.g., Obstructive Sleep Apnea, Chronic Insomnia). 7. Use of long-acting sedatives/hypnotics within 7 days prior to surgery. 8. Patients undergoing central nervous system (CNS) or cranial surgery, neck vascular surgery, and cardiac surgery; 9. Significant intraoperative hemodynamic instability or other severe perioperative complications. 10. Pregnant, possibly pregnant, or lactating women. 11. Photosensitive epilepsy or contraindications to bright light stimulation. 12. Inability to cooperate or inability to provide written informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Emergence time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative dry eyes, ocular pain, and other ocular adverse events reported by the patient or diagnosed by an ophthalmologist;Vital Signs (including heart rate, blood pressure, respiratory rate, and body temperature) and Arterial Blood Gas (ABG) Status.;pain score;Incidence of Delayed Emergence;Respiratory-related complications;Incidence of Emergence Agitation (EA);PACU Length of Stay; | — |
Countries
China
Contacts
The Affiliated Hospital of Xuzhou Medical University