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Choroidal and central foveal thickness in patients with scleroderma and its systemic associations
Erdinc Aydin1, Sevinc Atik2, Feray Koc2
1Department of Ophthalmology, Izmir Katip Celebi University, Faculty of Medicine, Izmir, Turkey.
Background:
The aim was to investigate the morphological changes in the fovea and choroid in patients with scleroderma and its systemic associations.
Methods:
Thirty-four scleroderma patients and 31 healthy controls were enrolled. Choroidal thickness (CT) at five defined points (subfoveal [sfCT] and 1.0 [N1.0] and 3.0 µm nasal [N3.0] and 1.0 [T1.0] and 3.0 µm temporal [T3.0] from the centre of the fovea) and central foveal thickness were measured.
Results:
The mean central foveal thickness (right eye 229.3 ± 28.6 versus 232.6 ± 29.7 and left eye 219.8 ± 21.4 versus 223.3 ± 21.9 µm) and sfCT (right eye 326.4 ± 56.5 versus 327.3 ± 62.1 and left eye 316.7 ± 53.4 versus 317.6 ± 51.6 µm) values were not different in patients with scleroderma compared with the controls (p > 0.05). The mean CT at N1.0, N3.0, T1.0 and T3.0 did not differ among these groups in both eyes (p > 0.05). There was no difference in the mean central foveal thickness and CT of both eyes in diffuse and limited scleroderma (p > 0.05). A negative correlation was found between anti-nuclear antibody positivity and CT at T3 and N3 (respectively, r = -0.439 and r = -0.383, p < 0.05).
Conclusion:
Choroidal thickness at five points and central foveal thickness in both eyes did not significantly differ in scleroderma patients compared with healthy controls. Choroidal thickness at the T3 and N3 points showed a negative correlation with anti-nuclear antibody positivity.
