Comparative studies on mydriatic effect of tropicamide 0.8% and phenylephrin 5.0% in teenagers & geriatric people Journal title: International Journal of Research in Hospital and Clinical Pharmacy Authors: K. Diwakar , Y. Sailaja , V. Palanivel , Shaik Baba Fakruddin , T. Gangadhara , B. Syed salman Subject(s):