Wiktionary
metipranolol
n. A non-selective beta blocker used in eyedrops to treat glaucoma.
Wikipedia
Metipranolol
Metipranolol (OptiPranolol, Betanol, Disorat, Trimepranol) is a non-selective beta blocker used in eye drops to treat glaucoma. It is rapidly metabolized into desacetylmetipranolol.