Impact of religious fasting on ocular dryness: objective and subjective assessment

Background: Certain religions require long hours of fasting, abstaining from fluid intake for durations extending up to 16 h. Lack of fluid intake may alter multiple physiological parameters, which can influence the ocular system. In this prospective study, we evaluated the effect of prolonged fasting on dry eye disease using both objective and subjective measures. Methods: We included patients who fasted for at least 12 h a day for at least …