Figure 1From: Frequency doubling technology, optical coherence technology and pattern electroretinogram in ocular hypertension The ROC curves of the indices, doubling frequency technology (FDT) pattern standard deviation (PSD), pattern electroretinogram (PERG) amplitude and optical coherence tomography (OCT) evaluation of the inferior retinal nerve fiber layer (RNFL), with the highest sensitivity/specificity ratio. Back to article page