Omoto MK, Torii H, Hayashi K, et al. - Researchers conducted this retrospective observational case series to assess the characteristics of the axial length-to-corneal radius (AL/CR) ratio in Japanese individuals with cataracts and to determine the accuracy of intraocular lens (IOL) power calculation formulas according to the AL/CR features and the axial length (AL). Patient population was a total of 1,135 patients (1,135 eyes with cataracts). Data reported that the mean AL/CR ratio was 3.15 ± 0.19. The AL/CR ratio clarified the total SE variation better than the single AL variation. Surgeons should listen to the choice of IOL power calculation formulas in eyes with high AL/CR ratios.