Drug Name Calmtrol (Risperidone) Drug Class Antipsychotic Risk minimization type Direct Healthcare Professional Communication DHPC Specialty (Theraputic area) Psychiatry Risk Direct Healthcare Professional Communication on risk of intraoperative floppy iris syndrome (IFIS) in patients undergoing cataract surgery and taking Calmtrol 0.5, 1, 2, 3, 4 mg FCT. Dear Healthcare provider letter DHPC