Brimonidine is a medication used to treat open-angle glaucoma, ocular hypertension, and rosacea. In rosacea it improves the redness. It is used as eye drops or applied to the skin.

Cromoglicic acid (INN) is traditionally described as a mast cell stabilizer, and is commonly marketed as the sodium salt sodium cromoglicate or cromolyn sodium. This drug prevents the release of inflammatory chemicals such as histamine from mast cells.

Dorzolamide, sold under the brand name Trusopt among others, is medications used to treat high pressure inside the eye including glaucoma. It is used as an eye drop. Effects begin within three hours and lasts for at least eight hours. It is also available as the combination dorzolamide/timolol.

Levobunolol is a non-selective beta blocker. It is used topically in the form of eye drops to manage ocular hypertension and open-angle glaucoma.

Timolol is a medication used either by mouth or as eye drops. As eye drops it is used to treat increased pressure inside the eye such as in ocular hypertension and glaucoma. By mouth it is used for high blood pressure, chest pain due to insufficient blood flow to the heart, to prevent further complications after a heart attack, and to prevent migraines.

Travoprost, sold under the brand name Travatan among others, is medications used to treat high pressure inside the eye including glaucoma. Specifically it is used for open angle glaucoma when other agents are not sufficient. It is used as an eye drop. Effects generally occur within 2 hours.