Please follow your doctors instructions on the dosage and duration of using Acular LS Ophthalmic Solution Before using the solution ensure that you wash your hands with soap and water to prevent contamination Hold the dropper near your eye but do not touch it Gently squeeze the dropper and apply the medicine to the lower eyelid Avoid direct contact between the dropper tip and the affected area to reduce the risk of infection After applying the solution wipe off any excess liquid Although this medicine is generally safe to use with minimal side effects it may initially cause a stinging or burning sensation However these sensations are usually temporary and will resolve on their own If the symptoms persist or worsen please consult your doctor