Glaucoma is high pressure inside the eye. Every drop lowers that pressure in one of two ways — by making less aqueous fluid or by draining more of it out. Explore the drug classes, then step through how to put a drop in correctly.
Aqueous humor balance
Intraocular pressure (illustrative)26 mmHg
0normal 10–2132 mmHg
Blue faucet on top = fluid made at the ciliary body. Green drain below = fluid leaving through the trabecular meshwork. Tap a drug class to watch it act.