From: Vergence–accommodation conflicts hinder visual performance and cause visual fatigue Journal of Vision. 2008;8(3):33. doi:10.1167/8.3.33 Figure Legend: Top: symptom questionnaire. Participants completed this questionnaire after each session. For each of the five questions, they indicated the severity of their symptoms at that moment. Bottom: display-evaluation questionnaire. Participants completed this questionnaire after the second session. For each of four questions, they indicated which session was better (or worse). Date of download: 11/9/2017 The Association for Research in Vision and Ophthalmology Copyright © 2017. All rights reserved.