1 INDICATIONS AND USAGE ISOPTO ® Atropine 1% is indicated for: ISOPTO® Atropine 1% is a muscarinic antagonist indicated for: Mydriasis ( 1.1 ) Cycloplegia ( 1.2 ) Penalization of the healthy eye in the treatment of amblyopia ( 1.3 ) 1.1 Mydriasis 1.2 Cycloplegia 1.3 Penalization of the healthy eye in the treatment of amblyopia