Amplitudes across whole eyes. Bars indicate 1 SE. Amplitudes were not significantly different among the groups. The values for the control males, males with type 2 diabetes, control females, and females with type 2 diabetes were 203.7 ± 11.1, 198.6 ± 15.1, 198.7 ± 12.6, and 194.2 ± 11.9 nV, respectively.