IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-5-56132 Original Research Paper Diabetic Retinopathy And Its Screening: Knowledge And Practice Of Primary Health Care Physicians Working At Different Primary Health Care Centers Of Al Ahsa District Of Saudi Arabia Mohammed Alabbad Dr. Jawad Mohammad Alhabdan Dr. Mohammed Yousef Alhassan Dr. Mohammed Husain Alobaidan Dr. May 2024 13 5 01 02