397178.fig.006a
(a)
397178.fig.006b
(b)
Figure 6: (a) Representative waveforms of the full-field cone electroretinogram recorded from a normal subject and a patient with advanced glaucoma. (b) PhNR amplitudes were plotted for normal subjects and patients with early , intermediate , and advanced glaucoma . PhNR: photopic negative response (reproduced with permission from [27]).