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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Blood flow velocity and thickness of the choroid in a patient with chorioretinopathy associated with ocular blunt trauma

Fig. 2

Images of enhanced depth imaging optical coherence tomography (a, c) and LSFG color map (b, d), and changes in choroidal thickness (e) and mean blur rate (MBR) (f) during follow-up in an eye with ocular blunt trauma-associated chorioretinopathy. a, c: At the initial visit, a horizontal image through the fovea shows loss of the ellipsoid zone corresponding to the fovea and the lesion site (a, arrowheads). The choroidal thickness examined at the same sites as Circles 1–3 set in Fig. 1b were 284, 158, and 311 um, respectively (a). Three months after the initial visit, impaired ellipsoid zone at the fovea improved, however it remained unchanged at the lesion area (c, arrowheads). The choroidal thickness increased at the fovea by 42 μm and at the lesion site by 13 μm, respectively. Meanwhile, it remained unchanged at the normal retinal site (+ 8 μm). b, d: On the LSFG color map, Circles 1–3 were set at the fovea, the lesion site, and the normal retinal site, respectively (b, d). The area of the color map is identical to Fig. 1b. At the initial visit, a decrease in the MBR was clearly visualized corresponding to the chorioretinal lesion (b). The blue color indicates a low MBR, while the red color shows a high MBR. Three months after the initial visit, the MBR increased at the fovea and the lesion site (d). e, An increase of 33–42 μm and 13–17 μm were detected at the fovea and the lesion site, respectively, during the 6-month follow-up period. In contrast, there were little or no changes in Circle 3 (normal site, 0–8 μm). f, When compared with the baseline MBR (100%), an increase of 11–22 and 23–31% were detected in Circles 1 (fovea) and 2 (lesion site), respectively, during the 6-month follow-up period. In contrast, there were little or no changes in Circle 3 (normal site, 1–11%)

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