PMC4755464_01
(A) shows acute cilioretinal artery occlusion after 24 hours following cardiac catheterization. (B) shows resolution of the retinal edema, and residual retinal exudates, 14 weeks later.. Notes: Note deep retinal edema extending into the fovea of the left eye. Present also is a choroidal nevus of the macula.
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On examination, the patient's best visual acuity in her left eye (VA OS [oculus sinister]) was 20/80, and she had a cilioretinal artery occlusion with edema involving the maculopapular bundle and macula of the left eye, which was documented photographically, albeit through a moderately dense cataract (Figure 1A). She was able to perform all normal functions with the left eye, except those requiring fine resolution (Figure 1B).
OCT scan of retina in cross-section showing loss of RPE and deep retinal structures nasal to the fovea 14 weeks after the occlusion.. Abbreviations: OCT, optical coherence tomography; RPE, retinal pigment epithelium.
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An OCT scan demonstrated a narrow line of macular thinning corresponding to the central zone of the cilioretinal artery occlusion, but with substantial preservation on either side of it (Figure 2).
OCT scan of the macula showing loss of retinal pigment epithelium 14 weeks after the occlusion.. Abbreviations: OS, oculus sinister; ILM, internal limiting membrane; RPE, retinal pigment epithelium; OCT, optical coherence tomography.
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Cross-sectional imaging showed surprising preservation of the ganglion cell layer and inner nuclear layer, considering that more than 24 hours had elapsed before addressing the retinal ischemia (Figure 3).