Fig. 3From: Associations between the menstrual cycle, lifestyle factors and clinical assessment of the ocular surface: a prospective observational studyOvulation phase correlations. a. The association between a lifestyle factor (exercise frequency) and ocular sign (tear quantity). Lower score indicates more exercise hrs per week. The association between a lifestyle factor (caffeine intake) and b. tear quantity, and c. tear quality. Lower score indicates less caffeine intake per weekBack to article page