TY - CHAP M1 - Book, Section TI - Retinal Disorders Associated with Systemic Diseases A1 - Duncan, Jacque L. A1 - Parikh, Neeti B. A1 - Seitzman, Gerami D. A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. PY - 2023 T2 - Current Medical Diagnosis & Treatment 2023 AB - ESSENTIALS OF DIAGNOSISPresent in ~33% of all diagnosed diabetic patients.Present in ~20% of type 2 diabetic patients at time of diagnosis of diabetes.By 20 years after diagnosis of diabetes, 99% of type 1 diabetic patients and 60% of type 2 diabetic patients will have diabetic retinopathy.Nonproliferative diabetic retinopathy: can be mild, moderate, or severe. Microvascular changes are limited to the retina.Proliferative diabetic retinopathy: new blood vessels grow on the surface of the retina, optic nerve, or iris.Diabetic macular edema: central retinal swelling; can occur with any severity level of diabetic retinopathy; reduces visual acuity if the foveal center is involved. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessmedicine.mhmedical.com/content.aspx?aid=1193144884 ER -