Compact enough to carry around, use these effective eye drops to treat dry eyes. __Benefits:__ - Eye drops, clinically proven to relieve symp­toms of dry eyes - Preser­v­a­tive free - Contains hyaluron­ic acid - 3% Tre­halose is added to pro­vide pro­tec­tion for the sur­face of the eye - Suit­able for all dry eye suf­fer­ers and con­tact lens wearers - Unique bot­tle design These preservative-free eye drops contain hyaluronic acid, which is proven to reduce dry eyes and provide lasting relief. They\'re especially great for anyone who suffers from sore eyes and people exposed to dry environments. Thealoz Duo is ideal for various causes such as air conditioning and working with computers. The drops can be applied as often and as necessary throughout the day, and are also suitable for contact lens wearers to use either before or during wear.