Use of Pupillometry for Pain Assessment in ICU Patients with Delirium

Automated pupillometry every 6 hours

"CAM ICU questionnaire will be used for delirium screening the incidence of pain will be assessed using 3 valid scales. The Visual Analogue Scale (VAS), the Behavioral Pain Scale (BPS) and the Critical Care Observational Tool (CPOT) will be used.~questionnaires will be done the same time as pupillometry"