Figure 5.

Eccentricity-wise analysis of IS reflectivity in 12 eyes of 12 subjects. (A) ONL-normalized IS intensity, color coded by eccentricity (inset) with respect to the foveal center (“x”), shows a drop in reflectivity between the “m” zone and the inner “e” zone. (B) Averaged eccentricity-wise image of the reflectivity between the band 1 peak (ELM, green line) and the band 2 center (gray line). The reflectivity pattern shows a distinct feature at 0 mm eccentricity, with the drop in reflectivity between “m” and “e” shifting internally, nearly to the ELM, in the foveola. (C) IS length versus eccentricity. Note that these IS measurements exceed those reported previously by NIR OCT³⁷ due to the younger cohort age and different definition of the IS outer boundary in this study.