Latanoprost Eye Drops has the effect of lowering elevated intraocular pressure in patients with open-angle glaucoma and hypertensive eye disease. Latanoprost Eye Drops is a selective prostaglandin FP receptor agonist drug, can increase the flow of aqueous humor to play the effect of reducing intraocular pressure, so the rational use of the drug, can help patients with open-angle glaucoma and patients with high intraocular pressure, effectively reduce the elevated intraocular pressure. The use of latanoprost eye drops may cause hyperpigmentation of the iris, eye irritation, eyelid lash changes, mild to moderate conjunctival congestion, etc.; the drug must be contraindicated in people who are allergic to the drug; the doctor should inform the patient about the possibility of eye color changes before deciding on the treatment, and unilateral use of the drug treatment can lead to permanent iris heterochromia. Individuals should not abuse Latanoprost Eye Drops on their own; medication should be used in accordance with the doctor’s instructions, and the physician should be consulted promptly if there is any abnormality after the use of the drug.