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Fig. 3 | BMC Ophthalmology

Fig. 3

From: Predicting visual acuity in Bietti crystalline dystrophy: evaluation of image parameters

Fig. 3

An young adult with a diagnosis of BCD, BCVA of 20/22 (right eye, Oculus Dexter (OD)) and 20/29 (left eye, Oculus Sinister (OS)). a Color fundus showing obvious crystalline deposits. b Crystalline deposits can be clearly seen on NIR imaging. c OCT revealed preserved retinal structure near the fovea (red square) in both eyes. Outside the preserved island, outer retinal layer (ONL) destruction and EZ loss were observed. d In this case, some hypo-AF patches on FAF imaging corresponded to ONL and EZ destruction seen on OCT. Relatively low AF at the fovea (yellow arrows) corresponded to normal structures seen on OCT. e Enlarging the central island on SD-OCT, there are intact retinal structures in the central area (l NFL nerve fiber layer; GCL ganglion cell layer; IPL inner plexiform layer; INL inner nulear layer; OPL outer plexiform layer; ONL outer nuclear layer; ELM external limiting membrane; EZ ellipsoid zone; RPE retinal pigment epithelium)

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