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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Dry eye symptoms and impact on vision-related function across International Task Force guidelines severity levels in the United States

Fig. 1

Proportion of patients indicating on OSDI questionnaire components that at least half of the time in the past week: (a) experienced dry eye symptoms (questions 1–5); (b) had problems with their eyes limiting visual function (questions 6–9); and (c) had eyes that felt uncomfortable in certain environmental conditions (questions 10–12) by ITF dry eye severity level. *P < 0.05 compared with ITF level 3/4; †P < 0.05 compared with ITF level 2 by chi-square test; sample size varied for visual function and environmental triggers, as not all patients performed tasks over the previous week. OSDI Ocular Surface Disease Index, ITF International Task Force, TV television

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BMC Ophthalmology

ISSN: 1471-2415

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