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Cross-sectional study of macular thickness variations in unilateral amblyopia

Aim: The aim of this study is to compare the mean macular thickness between normal and amblyopic eyes in unilateral strabismic and anisometropic amblyopia. Materials and Methods: A spectral domain-optical coherence tomography (Carl Zeiss Meditech, Inc.) was used to evaluate 51 patients (mean age 11.63 ± 2.84 years) with unilateral strabismic ( n = 29) and anisometropic ( n = 22) amblyopia. Data between the two eyes were compared using a paired t -test and a P value Results: Mean best-corrected visual acuity was +0.53 LogMAR (range 0.2-1.0) in the amblyopic eye. Mean macular thickness in the amblyopic eyes was 277.5 μ ± 15.3 and in the fellow normal eyes was 272.4 μ ± 13.1 ( P P = 0.01) and not significant in anisometropic amblyopia ( P = 0.08). Conclusion: The mean macular thickness was greater in amblyopic eyes as compared to the normal fellow eyes, and this difference was significant in strabismic amblyopia, but not significant in anisometric amblyopia.