Optic Nerve Sheath Diameter Changes in Laparoscopic Cholecystectomy

Laparoscopic cholecystectomy will be performed with intra-abdominal pressure maintained at 8 mmHg during insufflation. Standard anesthesia and surgical protocols will be followed.

Laparoscopic cholecystectomy will be performed with intra-abdominal pressure maintained at 14 mmHg during insufflation. Standard anesthesia and surgical protocols will be followed.