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  Indian J Med Microbiol
 

Figure 1: Swept-source optical coherence tomography macula scan of a subject (16-year-old male; right eye with visual acuity 20/400) with retinitis pigmentosa (a); segmentation of choroid using proprietary software (b); automated detection of choroidal hyper-reflective foci (319, yellow dots) using circle Hough transformation (c); delineation of stromal or luminal components to determine choroidal vascularity index (0.45) (d)

Figure 1: Swept-source optical coherence tomography macula scan of a subject (16-year-old male; right eye with visual acuity 20/400) with retinitis pigmentosa (a); segmentation of choroid using proprietary software (b); automated detection of choroidal hyper-reflective foci (319, yellow dots) using circle Hough transformation (c); delineation of stromal or luminal components to determine choroidal vascularity index (0.45) (d)