Abstract
Purpose
To describe a distinct vitreomacular interface disorder (VMID) termed Foveal Abnormality associated with epiretinal Tissue of medium reflectivity and Increased blue-light fundus Autofluorescence Signal (FATIAS).
Methods
A case series including forty-seven eyes of 47 patients. The included eyes must present an irregular foveal contour on optical coherence tomography (OCT) and a pathologically increased autofluorescent signal at the fovea on blue-light fundus autofluorescence (B-FAF). Main outcome measures were morphologic characteristics of the lesions, logarithm of minimum angle of resolution (logMAR) best-corrected visual acuity (BCVA), and central foveal thickness (CFT).
Results
The following two types of FATIAS were identified: (1) the step type characterized by an asymmetric contour of the foveal pit and by a tissue of medium reflectivity on the foveal surface and (2) the rail type characterized by a shallow foveal pit and a rail of tissue of medium reflectivity on the foveal surface. The outer retinal bands were continuous in all cases. Both types presented with an area of increased B-FAF signal, usually bilobed in the step type and round and centered on the foveal pit in the rail type. LogMAR BCVA was 0.09 ± 0.1 and 0.1 ± 0.1 (P = 0.91), and CFT was 197.8 ± 9.7 and 202.2 ± 13.2 (P = 0.19) in the step and in the rail group, respectively.
Conclusions
We describe a distinct VMID named FATIAS. Two types of FATIAS may be appreciated with SD-OCT and B-FAF analyses, the step and the rail type. Both are characterized by abnormal foveal contour and autofluorescence signal.
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R. dell’Omo declares that he has no conflict of interest; S. De Turris declares that she has no conflict of interest; C. Costagliola declares that he has no conflict of interest; G. Virgili declares that he has no conflict of interest; R.G. Schumann declares that she has no conflict of interest; M. Cereda declares that he is a consultant for Bayer; I. D’Agostino declares that she has no conflict of interest; E. dell’Omo declares that he has no conflict of interest; F. Bottoni declares that he is a consultant for Bayer, Novartis, and Alcon.
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dell’Omo, R., De Turris, S., Costagliola, C. et al. Foveal Abnormality associated with epiretinal Tissue of medium reflectivity and Increased blue-light fundus Autofluorescence Signal (FATIAS). Graefes Arch Clin Exp Ophthalmol 257, 2601–2612 (2019). https://doi.org/10.1007/s00417-019-04451-7
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DOI: https://doi.org/10.1007/s00417-019-04451-7