Figure 2.

Protocol O validation data evaluation of the Cirrus to Spectralis conversion equation (A) and Spectralis to Cirrus conversion equation (B) and Bland–Altman plots of differences between predicted and observed CST on Spectralis (C) and between predicted and observed CST on Cirrus (D). CI-DME is defined as follows by CST according to OCT machine and sex: Heidelberg Spectralis 305 µm or greater in women and 320 µm or greater in men; Zeiss Cirrus 290 µm or greater in women and 305 µm or greater in men.