The retinal scan area of an OCT is derived by calculating the linear distance on the surface of the retina subtended by a fixed field of view using a defined axial length. This is 23.82 mm for the RTVue XR Avanti system (Sampson et al. 2017 - https://doi.org/10.1167/iovs.17-21551) and 24.46 mm for the Cirrus HD-OCT 5000 (Shpak & Korobkova 2020 - https://doi.org/10.1007/s00417-019-04513-w).

Does anyone know the defined axial length for the Topcon DRI OCT-1 Triton?

Many thanks in advance,

Zoran