A Study to Evaluate Virtual Reality As Adjunct to Anesthesia During Orthopedic Surgery

Inclusion Criteria: * Age ≥ 18 years old. * Patients scheduled for orthopedic procedure under regional or central neuraxial nerve block (anterior primary hip arthroplasty or primary knee arthroplasty). * Subject willing to participate and able to provide informed consent. Exclusion Criteria: * Age \< 18 years old. * History of motion sickness or blindness. * Unable to consent due to cognitive difficulty. * Current diagnosis of epilepsy, dementia, or other neurological disease that may prevent use of VR hardware and software. Sensitivity to flashing light or motion. * Recent stroke. * Injury to the eyes, face, neck, or arms that prevents comfortable use of VR hardware or software, or safe use of the hardware (e.g., open wound, sores, or skin rash on face).