Fig. 1From: Abnormalities of retinal function in type 2 diabetes mellitus patients without clinical diabetic retinopathy detected by multifocal electroretinogramDiagram of a mfERG response to show the designation of the major features of the waveform. The arrows show the trough-to-peak amplitude (vertical arrow) and the implicit time. (horizontal arrow) of the basic mfERG measures of amplitude and timing [2]Back to article page