PMC10062086_01
Color fundus photograph of the left eye shows an elevated optic disc with blurred margins, moderate venous tortuosity, vascular sheathing, peripapillary hemorrhages (white arrow), and macular edema, consistent with resolving CRVO. CRVO: Central retinal vein occlusion
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F1
Blurred disc margins, moderate venous tortuosity, peripapillary hemorrhages, vascular sheathing, and macular edema were seen, consistent with resolving CRVO [Figure 1].
Fluorescein angiography of the left eye shows venous staining, petaloid leak at the macula, late leak, and staining of the optic disc
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F2
Fundus fluorescein angiography (FFA) showed a delay in arteriovenous transit time, venous wall staining, petaloid leak at the macula, late peripapillary leak, and staining of the optic disc [Figure 2].
(a) Horizontal SD-OCT scan through macula in the left eye shows atrophy of inner retinal layers and intraretinal hyporeflective cystoid spaces, (b) vertical sectional image of the optic nerve head, and (c) analysis of circumpapillary RNFL using SD-OCT shows thickening of RNFL consistent with disc edema. SD-OCT: Spectral-domain optical coherence tomography, RNFL: Retinal nerve fiber layer
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F3
Spectral-domain optical coherence tomography (SD-OCT) showed atrophy of inner retinal layers and intraretinal hyporeflective cystoid spaces at the macula [Figure 3a]. Tomography of ONH demonstrated increased peripapillary retinal nerve fiber layer thickness suggesting disc edema [Figure 3b and c].
Ultrasound B-scan image of the left eye shows increased echogenicity of ONH (white arrow) consistent with buried ONH drusen. ONH: Optic nerve head
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F4
Ultrasound (US) B-scan of the left eye revealed a highly reflective ovoid lesion at the elevated optic disc which persisted in reducing the gain, suggesting buried ONH drusen [Figure 4].