Virtual Reality Headset and Acceptability of Rectosigmoidoscopy in Ulcerative Colitis: a Randomised Controlled Trial

Inclusion Criteria: * Patients aged 18 or over with UC in the active phase or in remission of their disease * Patient who has already undergone rectosigmoidoscopy without general anaesthetic * Patient requiring rectosigmoidoscopy (with colonoscope and air insufflation) as part of routine care * Patient able to follow the Clinical Investigation protocol and having given written informed consent to participate * Patient affiliated to the social security system or entitled beneficiary Exclusion Criteria: * Patients with Crohn disease or indeterminate colitis * Patients hospitalised with severe acute colitis, as defined by the truelove criteria. * Patients with a stoma in place or with a history of colorectal resection. * Patients with a contraindication to the use of the virtual reality headset: * Psychotic patients or patients diagnosed with psychiatric disorders * Patients with uncontrolled epilepsy * Patients with visual problems (lack of binocular vision, blindness) and/or hearing problems (deafness) that prevent them from using virtual reality. * Patients taking part in another clinical research protocol having an impact on the objectives of the clinical investigation * Patients already randomized in the clinical investigation * Pregnant, parturient or breast-feeding patients * Patients under guardianship, curatorship or deprived of their liberty * Patient under activated protection mandate or family habilitation * Patients under court protection.