Although the changes in the anatomy of the visual cortex and lateral geniculate nucleus as the result of amblyopia have been well documented, retinal involvement is still controversial. Time-domain optical coherence tomography with an axial resolution of 10 μm has been used to evaluate retinal and peripapillary tissues in amblyopic eyes with contradictory results. Spectral domain optical coherence tomography has a greater resolution (5-10 μm) and can determine retinal layers more precisely. Our purpose was assess by means of spectral domain optical coherence tomography whether the retinal nerve fiber layer thickness, macular thickness, and foveal volume of the amblyopic and the fellow eyes differ in patients with unilateral amblyopia. Intereye differences in these parameters were found to be insignificant.
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