<unk> (ophthalmic) is a cholinergic agent that is FDA approved for the treatment of reduction of elevated intraocular pressure (IOP) in patients with open-angle glaucoma or ocular hypertension, acute angle-closure glaucoma, prevention of postoperative elevated IOP associated with laser surgery and induction of miosis.   Common adverse reactions include headache, accommodative change, blurred vision, eye irritation, visual impairment and eye pain..
Pilocarpine 
Timolol 
14-Ethoxymetopon
14-Methoxymetopon
14-Phenylpropoxymetopon
Avacopan
Oxetoron
Tramazoline