Soothing effect for dry eyes Doppelherz eye drops provide long-lasting and effective moisture for dry and irritated eyes. The hyaluronic acid with urea they contain supports the moisturizing effect of the eye drops and thus helps to relieve the discomfort of dry eyes, which can be caused, for example, by prolonged work at a computer screen, excessive wear of contact lenses, or dry air from heating systems. Free from preservatives.