IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48083 Original Research Paper Prevalence Of Meibomian Gland Dysfunction In Patients Undergoing Cataract Surgery In A Tertiary Care Center In Barabanki Bharat Mittal Dr. Dr. Arun Kumar Singh Dr. April 2023 12 4 01 02