Patient with mild ophthalmopathy of Graves disease Patient with mild ophthalmopathy of Graves disease. A: Before radioactive iodine therapy. Note white sclera visible above and below the iris as well as mild periorbital edema. Classification: class 1, mild; class 2, mild; class 3, mild. B: After radioactive iodine therapy. Marked improvement is noted. (Reproduced, with permission, from Greenspan FS, Strewler GJ [editors]. Basic & Clinical Endocrinology, 5th ed. Originally published by Appleton & Lange. Copyright © 1997 by The McGraw-Hill Companies, Inc.) Source: Endocrine Disorders, Current Medical Diagnosis & Treatment 2017 Citation: Papadakis MA, McPhee SJ, Rabow MW. Current Medical Diagnosis & Treatment 2017; 2016 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1843/cmdt17_ch26_ef010b.png&sec=135718566&BookID=1843&ChapterSecID=135718249&imagename= Accessed: December 26, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved