Intense erythema, eyelid edema, and tenderness due to maxillary sinusitis in an adolescent who had normal vision, full range of eye movements without pain, and absence of proptosis. Preseptal cellulitis is unilateral in the majority. (Photo contributor: Binita R. Shah, MD.) Source: Chapter 8. Ophthalmology, Atlas of Pediatric Emergency Medicine, 2e Citation: Shah BR, Lucchesi M, Amodio J, Silverberg M. Atlas of Pediatric Emergency Medicine, 2e; 2013 Available at: https://accessemergencymedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/shah2/shah2_c008f007.png&sec=42534009&BookID=577&ChapterSecID=42532494&imagename= Accessed: November 14, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved