Dry eyes and fatigue during menstruation may be related to hormone level changes and dry eye syndrome. 1. Hormone level changes: due to changes in estrogen and progesterone levels during menstruation, which in turn affects the secretion function of the lacrimal glands, and due to the outflow of menstrual blood, which may cause anemia and dry eyes. 2. Dry eye: For patients with dry eye syndrome, due to insufficient secretion of sweat glands or excessive evaporation, and then dry eyes, foreign body sensation, blurred vision and other discomforts. For women with menstrual dry eyes and fatigue, it is recommended that they go to the ophthalmology or gynecology department of a regular hospital, and under the guidance of the doctor to actively treat the problem in order to improve the quality of life.