Drugs

Common mydriatic drugs include cyclopentolate (such as Cyclogyl and Pentolair), phenylephrine (such as Neo-Synephrine), and tropicamide (such as Mydriacyl)

http://www.mydr.com.au/medicines/cmis/minims-atropine-eye-drops

 Cycloplegic agents can achieve this, i.e. by the application of eye drops, which relax the ciliary muscle.