Fig. 1From: Evaluation of the content validity of patient-reported outcome (PRO) instruments developed for use with individuals with phakic presbyopia, including the Near Activity Visual Questionnaire-presbyopia (NAVQ-P) and the near vision correction independence (NVCI) instrumentStudy methodology. *CE concept elicitation, CD cognitive debriefing, HCP healthcare professional, FDA US Food and Drug Administration, PRO patient-reported outcome, NAVQ-P Near Activity Visual Questionnaire for Presbyopia, NVCI Near Vision Correction Independence, NVCP Near Vision Correction Preference, NVS Near Vision Satisfaction, PGIS Patient Global Impression of Severity, PGIC Patient Global Impression of ChangeBack to article page