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, 1990, with permission.) Source: Diabetes Mellitus, Williams Obstetrics, 24e Citation: Cunningham F, Leveno KJ, Bloom SL, Spong CY, Dashe JS, Hoffman BL, Casey BM, Sheffield JS. Williams Obstetrics, 24e; 2013 Available at: https://obgyn.mhmedical.com/DownloadImage.aspx?image=/data/books/1057/p9780071798938-ch057_f007.png&sec=59799121&BookID=1057&ChapterSecID=59789202&imagename= Accessed: October 10, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved