Figure 5

Evaluation of Image quality (A) and degree of optic disc rim visualization (B). Conventional fundus photography (CFP) and dilated (dil.) and undilated (undil.) smartphone-based fundus photography (SBFP) were compared. Error bars indicate standard error of the mean, paired t-test was used for analysis, asterisks indicate significant differences in regards to CFP if not otherwise indicated, *p < 0.05, ***p < 0.001.