Inclusion Criteria:  Voluntary Scheduled for a colonoscopy without sedation Aged 18 to 79 years No perception, hearing, and vision impairment that interferes with communication Not wearing glasses No psychiatric disorder No migraine, vertigo, active nausea, vomiting, headache, etc.  Exclusion Criteria:  no Voluntary Scheduled for a colonoscopy with sedation not been Aged 18 to 79 years participants have been perception, hearing, and vision impairment that interferes with communication wearing glasses participants have psychiatric disorder participants have migraine, vertigo, active nausea, vomiting, headache, etc.