Helps reduce glare and improves visual acuity against age related effects such as cataracts. Protects the Eyes Against Cataracts - Reduces glare associated with laser eye surgery - Improves visual clarity - Eye drops backed by clinical research Amount: 2 drops in each eye Active Ingredients: N-Acetyl-carnosine (NAC) 1.0% Inactive Ingredients: sterile water (opthalmic grade isotonic solution pH 6.3 to 6.4) glycerin (lubricant) citric acid boric acid hypromellose potassium bicarbonate benzyl alcohol (preservative). Suggested Use: (Adult): Instill 2 drops in each eye twice per day or as directed by a qualified health care practitioner. For Proper Application of Drops: Wash hands with water and soap for at least 30 seconds. If you wear glasses or contact lenses remove them. Lean head back and look up if you have neck problems lie down or use a tilt-back chair. With the eyes open gently pull the lower eyelid below the eyelashes away from the eye. Instill one drop then slowly and gently close the eye being careful not to squeeze the eye drop out of the eye. Do not blink or reopen for 60 seconds. Repeat this procedure if a second drop is used. Closing the eye allows each drop to be absorbed into the eye tissue. Cautions : To avoid contamination do not touch tip of the container to your eyes or any other surface. Replace the cap immediately after using. Open only one container of solution at a time. Do not allow other people to use your container. Once open discard container and any contents after 30 days. Do not heat beyond room temperature; keep the extra container in the box away from light especially sunlight. Do not use if seal is broken or if solution changes colour or becomes cloudy. Not recommended for children under the age of 12. Application may cause temporary irritation of the eye. If the eye tissue becomes more inflamed red irritated or uncomfortable after using this product or if the condition worsens or persists for more than 72 hours discontinue use and consult a physician. Keep this and all drugs out of the reach of children. Use before expiration date marked on container.