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Figure 1

From: Prevalence of and factors associated with dilated choroidal vessels beneath the retinal pigment epithelium among the Japanese

Figure 1

source optical coherence tomography (SS-OCT) image of the retinal slab. The yellow arrow indicates the location of the scan (c). (b) An SS-OCT image of the choroidal slab. A thick choroidal vessel is seen in the inferior area. The yellow arrow indicates the location of the scan (c). (c) An SS-OCT cross-sectional image taken at the location of yellow arrow in (a) and (b). Pachyvessels were identified by checking all 500 cross-sectional OCT images and en face SS-OCT images of the choroidal slab (b) using built-in software. Note that the thick choroidal vessel (vertical diameter > 300 µm, arrow head) is seen near the RPE, with the distance to the RPE being < 50 µm (arrow).

The method used to identify thick choroidal vessels (pachyvessels) near the retinal pigment epithelium (RPE). (a) A 6 × 6 mm swept-

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