<unk>  is a beta blocker that is FDA approved for the treatment of chronic open-angle glaucoma or ocular hypertension..   Common adverse reactions include ocular burning and stinging, headache, asthenia, chest pain, bradycardia, arrhythmia, hypotension, syncope, nausea, diarrhea.
Levobunolol hydrochloride
Betaxolol 
Bevantolol
Penbutolol
Tertatolol
Stanozolol
Bopindolol
Hexoprenaline