Retinal photographs from a 30-year-old diabetic woman. A Retinal photographs from a 30-year-old diabetic woman. A. Optic nerve head showing severe proliferative retinopathy characterized by extensive networks of new vessels surrounding the optic disc. B. A portion of the acute photocoagulation full “scatter” pattern following argon laser treatment. (From Elman and colleagues, 1990, with permission.) Source: Chapter 52. Diabetes, Williams Obstetrics, 23e Citation: Cunningham F, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Williams Obstetrics, 23e; 2010 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/cunn23/cunn23_c052f007b.jpg&sec=41690940&BookID=350&ChapterSecID=41680622&imagename= Accessed: October 10, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved