397178.fig.004a
(a)
397178.fig.004b
(b)
Figure 4: (a) Retinal nerve fiber layer thickness (RNFLT) around the optic nerve head measured by optical coherence tomography in a patient with traumatic optic neuropathy at 1 week and 1, 3, and 6 months after the injury. (b) Cone electroretinograms recorded simultaneously. PhNR: photopic negative response (reproduced with permission from [20]).