IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-3-47132 Original Research Paper Institutional Based Clinical Study On Visual Field Defects In Primary Open Angle Glaucoma And Its Correlation With Optic Disc Changes Payal Singla Dr. Dr. Jyoti Bhuyan Dr. March 2023 12 3 01 02