Systematic Reviews
Copyright ©The Author(s) 2025.
World J Methodol. Dec 20, 2025; 15(4): 101033
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.101033
Table 3 Ocular surface disease index questionnaire and scoring system1
Category
Questions
Scoring (0-4)
Ocular symptomsDryness, grittiness, discomfort0 (None) to 4 (Severe)
Visual functionBlurred vision, difficulty reading0 (None) to 4 (Severe)
Environmental factorsWind sensitivity, air conditioning0 (None) to 4 (Severe)