Advanced Dual Action Formula That Lubricates & Hydrates Dry Eyes. Preservative-Free Moisturizing Dry Eye Solution Recommended for LASIK Dryness Make your dry eyes feel better with the drops doctors recommend;Refresh Optive Sensitive Lubricant Eye Drops advances Dry Eye relief by providing a dual-action formula that works two ways for sensitive eyes;It lubricates eyes to provide long-lasting moisture while also hydrating and protecting the cells on the surface of the eyes that can become damaged due to Dry Eye;Effectively relieves Dry eye symptoms that may occur following LASIK surgery.Refresh Optive Sensitive drops come in preservative-free single-use vials and are safe to use as often as needed, so your eyes can feel good - anytime, anywhere.30 Sterile Single-Use Containers - 0. 01 fl oz (0. 4 mL) each. Suggested Use: To open, twist and pull tab to remove. Instill 1 or 2 drops in the affected eye(s) as needed and discard container. If used for post-operative (e. g. LASIK) dryness and discomfort, follow your eye doctor's instructions.Other Information: . Store at 59°-86°F (15-30°C) Retain this carton for future reference UPC: 300233416303 Weight: 0.5 lbs RKU: B001J4BGMM