Fig. 1From: Prolonged facemask wearing among hospital workers and dry eye – a mixed-methods studyMeasures of dry eye symptoms and signs, ordered by decreasing ocular surface disease index score. OSDI: ocular surface disease index. DEQ-5: 5-item dry eye questionnaire. TBUT: tear film breakup time; unit second. LLT: lipid layer thickness; unit nmBack to article page