 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] ly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Lumigan Ophthalmic (Eye): Bimatoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension). Lowering high pressure inside the eye can help prevent blindness. This medication works by regulating the flow of fluid within the eye to maintain a normal pressure. How to use Lumigan Drops Apply this medication in the affected eye(s) as directed by your doctor, usually once a day in the evening. Do not use bimatoprost more often because it will not work as well. To apply eye drops, wash your hands first. To avoid contamination, do not touch the dropper tip or let it touch your eye or any other surface. Bimatoprost contains a preservative that may stain contact lenses. If you are wearing contact lenses, remove them before using your eye drops. Wait at least 15 minutes after each dose before putting your lenses back in. Tilt your head back, look upward, and pull down the lower eyelid to make a pouch. Hold the dropper directly over your eye </s>