IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-12-45449 Original Research Paper A Comparative Study Of Efficacy And Safety Of Alcaftadine 0.25% Versus Olopatadine Hydrochloride 0.2% In Allergic Conjunctivitis At A Tertiary Care Hospital Akila K Dr. Dr. Swetha Sridhar Dr. December 2022 11 12 01 02