1. National Eye Institute. Glaucoma, open-angle. Available at: http://www.nei.nih.gov/eyedata/glaucoma.asp. Accessed September 16, 2013.
2. Preferred Practice Pattern Guidelines: Primary Open-Angle Glaucoma,2010
3. Glaucoma Diagnosis: Structure and Function. The World Glaucoma Association Consensus Series-1,2004
4. Trends in use of ancillary glaucoma tests for patients with open-angle glaucoma from 2001 to 2009;Stein;Ophthalmology,2012
5. FDA/American Glaucoma Society Workshop on the Validity, Reliability, and Usability of Glaucoma Imaging Devices. Available at: http://www.fda.gov/MedicalDevices/NewsEvents/WorkshopsConferences/ucm318305.ht. Accessed September 16, 2013.