pilocarpine

This is a pupil-constricting eye drop. Pilocarpine has been around for a long time and it makes the pupil constrict by stimulating the iris muscles to contract. In the eye doctor’s office, pilocarpine is often used immediately prior to SLT or ALT laser therapy.  Pilocarpine is effective in lowering eye pressure, though it is no longer first-line therapy for glaucoma because of the visual side effects (small pupils can make the vision a little blurry).