Dorzolamide ophthalmic (eye) drops is used to treat increased pressure in the eye caused by open-angle glaucoma or a condition called hypertension of the eye. Both eye conditions are caused by high pressure in your eye and can lead to pain from pressure in your eye and then can eventually harm your vision.
Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. It belongs to a class of drugs known as carbonic anhydrase inhibitors.