<unk> (ophthalmic) is a cardioselective beta-adrenergic receptor blocking agent that is FDA approved for the treatment of ocular hypertension and chronic open-angle glaucoma.   Common adverse reactions include burning sensation in eye.
Betaxolol 
Bevantolol
Nadolol 
Tertatolol
Iotrolan
Penbutolol
Pindolol
Mepindolol