Staphyloma-related chorioretinal folds
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Chorioretinal folds (CRF) may be observed in many ophthalmic and orbital conditions, including malformative or compressive orbital disorders, thyroid-related orbitopathy, posterior scleritis, hypotonia, hyperopia, exudative macular degeneration, and optic nerve disorders.

A 49-year old man without medical history consulted for slight vision loss and metamorphopsia in the left eye. The ophthalmologic examination revealed moderate myopia and bilateral chorioretinal folds in the posterior pole, confirmed by multimodal imaging. Orbital and systemic examinations ruled out all the known etiologies of chorioretinal folds. 3-D optical coherence tomography and B-scan suggested that the folds were related to an atypical staphyloma that developed in the temporal part of the fundus, while sparing the peripapillary area. The peripapillary area, spared by the staphyloma process, appeared as a “dome-shaped disc” compared to the staphylomatous area.

This atypical development of staphyloma could have changed the overall curvature of the eyeball, with relative preservation of the peripapillary area. This phenomenon could be close to what is observed in the dome-shaped macula (DSM). Indeed, in eyes with DSM, there is a relative sparing of the macular area, while staphyloma develops around it. The present case could thus be considered as a “dome-shaped disc”. However, additional cases are needed to confirm findings in order to describe a new condition, and to consider these folds as part of a new syndrome.

Source: https://www.sciencedirect.com/science/article/pii/S2451993620300980?dgcid=rss_sd_all
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