“…The gaze direction and position of an occupant are also important for visual discomfort from daylight: Viula et al 7 pointed out that the Daylight Glare Probability metric showed lower predictive performance for occupants at the inner parts of a classroom and proposed modifications to improve discomfort glare predictions in classrooms. Quek et al 8 compared the validity and consistency of existing questionnaires to assess discomfort glare in daylit indoor spaces. Designs with binary, ordinal, and categorical ratings were found to reach similar glare ratings, although thresholds for low level of discomfort did not always coincide.…”