Relieves Tired Strained Eyes. Sting-Free Formula Gentle Enough For Children - Strong Enough For Adults Homeopathic Long Term, Healthy Relief Similasan's unique "Active Response Formula" quickly stimulates the eye's natural ability to relieve eye strain due to intense computer work, TV, reading, writing or driving at night;No sting or worries about rebound or contraindications;Similasan's high Swiss quality standards have provided "Healthy Relief" to millions of people for over 20 years. Suggested Use: "How to open" tamper seal and cap: Remove tamper evident seal twist cap off bottle to remove Squeeze plastic tip to drop solution into the eye;Apply 1 - 2 drops as needed throughout the day or night Replace cap immediately after use Use before expiration date UPC: 094841300474 Weight: 0.34 lbs