Yes, you are right, apple cider vinegar can effectively help people with dry eyes. The essential reasons give rise to dry eyes could be blood circulation system abnormal as well as lack of vitamin A. Apple cider vinegar can help solve the problem. The apple cider vinegar has good nutritional value. It not only has effects on skin but also contains pectin, minerals, enzyme as well as vitamin A. In addition, it can improve the digestive system, clean the digestive tract, help to eliminate joint blood vessels and visceral organs of toxins and regulate endocrine. By increasing the blood circulation, it can reduce the symptom of dry eyes to some extent. Hope these explains can be helpful.