Figure 4
From: Severe ocular phenotypes in Rbp4-deficient mice in the C57BL/6 genetic background

Electroretinogram (ERG) changes during growth. (a) ERG response in Rbp4+/+ mice. (b) ERG response in Rbp4−/− mice. In Rbp4−/− mice, the a- and b-wave amplitudes had not recovered to within the normal range even at 40 weeks of age.