Comparison of Photopic Negative Response of Full-Field and Focal Electroretinograms in Detecting Glaucomatous Eyes

Figure 5

Receiver operating characteristic (ROC) curves for the PhNR amplitude (a) and PhNR/b-wave amplitude ratio (b) of the full-field and focal electroretinograms. Patients with early glaucoma (𝑛=41, mean deviation >−6 dB). PhNR: photopic negative response.

(a)

(b)