Primary Source #203:

DelRosso L, McCarty DE, Hoque R. "Why did my CPAP beat me up?" Bilateral periorbital ecchymosis associated with continuous positive airway pressure therapy. J Clin Sleep Med. 2012;8(6):730-732. Published 2012 Dec 15. doi:10.5664/jcsm.2278

***
Feel free to use any of the images showcased on this website. Please cite both this website (UNC School of Medicine Dermatology Image Library - http://med.unc.edu/dil) and the primary source of the image as references.
***