Description : Sting-Free Formula . Homeopathic . Healthy Relief . Revitalized tired, strained eyes . Similasan's unique Active Response Formula medicine quickly stimulates the eye's natural ability to revitalize tired, strained eyes. The active ingredients in this sting-free formula have no known side effects, contra-indications, or drug interactions. Similasan Eye Drops contain no harsh chemicals and will not cause reliance or rebound. Use this and other Similasan products with confidence in their safety, no matter what your age or health status. Similasan Healthy Relief products have provided safe, effective relief to millions of people for over 25 years. According to homeopathic principles, the active ingredients in this medication temporarily relieve minor symptoms of eye fatigue such as: Tired, aching eyes . Strained eyes (PC, TV, reading, driving) . Redness and irritation of the conjunctiva . Blurry and double vision . Eyelid spasms . Hypersensitivity to light . Suggested Use : For adults and children age 2 and over: Remove tamper-evident seal from neck of bottle. Twist cap off bottle. Squeeze plastic tip to release 2-3 drops into eye. Apply as needed . Replace cap after use. Warnings : For external use only. Initial exacerbation of symptoms may occur. Use only if bottle seal is intact. Replace cap tightly after every use. To avoid contamination, do not touch the tip of the container to any surface. Discard open bottle after 30 days. Contact wearers: consult a physician prior to using. Do not use: If the solution changes color or becomes cloudy. Stop use and ask a doctor if: Symptoms worsen or persist for more than 72 hours. Changes in vision occur. You experience eye pain.