Outpatients indicated for elective colonoscopy: 1) For screening purposes: asymptomatic patients with average or high risk for colorectal cancer\[1\]; 2) For diagnostic purposes: patients presented with abnormal imaging or lower gastrointestinal symptoms including bloody stool, chronic diarrhea and abdominal pain\[2\].
Never undergo colonoscopy before.
Age 18-75 years.
Written informed consent.
You may not be if
History of bowel surgery
Comorbidity disorder (ascites, congestive heart failure, chronic renal failure, coronary vessel disease within the last 6 months)
Drug use (eg, constipation drugs, laxatives, or anti-diarrheal agents)
Pregnancy
Severe constipation (\<3 bowel movement/week)
Inflammatory bowel disease
Unable to watch VR videos (eg, blindness)
Clareo Health | Virtual Reality Videos in Improving Bowel Preparation Quality of Colonoscopy