Lumigan 0.03 is a medication that contains the active ingredient bimatoprost. It is primarily used to treat glaucoma and reduce intraocular pressure in the eye. Lumigan belongs to a class of drugs called prostaglandin analogs. When applied as eye drops, Lumigan works by increasing the drainage of fluid from the eye, which helps to lower intraocular pressure and prevent damage to the optic nerve. It is important to use Lumigan ophthalmic solution as directed by your healthcare professional or as indicated on the product packaging. They can provide you with specific instructions, dosage information, and guidance on how to properly administer the eye drops.