1. Bathija R, Gupta N, Zangwill L, et al. Changing definition of glaucoma. Journal of Glaucoma. 1998;7(3):165-169
2. Gordon MO, Torri V, Miglior S. Validated prediction model for the development of primary open-angle glaucoma in individuals with ocular hypertension. Ophthalmology. 2007;114:10-19
3. Sommer A, Katz J, Quigley HA, Miller NR, Robin AL, Richter RC. Clinically detectable nerve fiber atrophy precedes the onset of glaucomatous field loss. Archives of Ophthalmology. 1991;109:77-83
4. Medeiros FA, Zangwill LM, Bowd C, Sample PA, Weinreb RN. Use of progressive glaucomatous optic disk change as the reference standard for evaluation of diagnostic tests in glaucoma. American Journal of Ophthalmology. 2005;139:1010-1018
5. Caprioli J, Nouri-Mahdavi K, Law SK, Badalà F. Optic disc imaging in perimetrically normal eyes of glaucoma patients with unilateral field loss. Transactions of the American Ophthalmological Society. 2006;104:202-211