Inclusion Criteria:  Patient between 13 and 18 years old, i.e. the age to use a virtual reality helmet according to the manufacturer's recommendations. Patient with an indication for idiopathic scoliosis surgery. Free, informed and signed consent by patients (or parents/parental guardians) and the investigator (no later than the day of inclusion and prior to any review required by the research)  Exclusion Criteria:  Patient undergoing surgery for neurological scoliosis. Impossibility to use the VR helmet (blindness, eye infection, helmet wound, epilepsy, psychiatric or cognitive disorder incompatible with VR). History of adverse effects while wearing an VR helmet (nausea, vomiting, headache, visual disturbances) Patient with a contraindication to the use of morphinics Patient whose both parents benefit from a legal protection measure (guardianship, curatorship, safeguard of justice)