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. 2019 Feb 1;13:233–241. doi: 10.2147/OPTH.S188315

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© 2019 Tvenning et al. This work is published and licensed by Dove Medical Press Limited

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Grading of GA by OCT.

Notes: (i) Photoreceptor degeneration. (ii) Attenuation or disruption of RPE. (iii) Hypertransmission. (iv) Descending outer plexiform layer. (v) Scrolled up RPE. (vi) Subretinal drusenoid material.

Abbreviations: CNM, criteria for iRORA/cRORA not met; cRORA, complete RPE and outer retinal atrophy; ID, patient number; iRORA, incomplete RPE and outer retinal atrophy; RPE, retinal pigment epithelium; OCT, optical coherence tomography; GA, geographic atrophy.