Diabetes may affect the retina by causing the formation of whitish patches called exudates.
Other indications may include tiny enlargements of the blood vessels, resulting in microaneurysms and hemorrhages.
Review Date 2/1/2022
Updated by: Sandeep K. Dhaliwal, MD, board-certified in Diabetes, Endocrinology, and Metabolism, Springfield, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.