1. Effects of ocular rotation on parapapillary retinal nerve fiber layer thickness analysis measured with spectral-domain optical coherence tomography

    Effects of ocular rotation on parapapillary retinal nerve fiber layer thickness analysis measured with spectral-domain optical coherence tomography

    Purpose To evaluate the effects of ocular rotation on parapapillary retinal nerve fiber layer (RNFL) thickness measured by spectral-domain optical coherence tomography (SD-OCT). Patients and methods Eighty-eight normal and 205 glaucomatous eyes were studied. RNFL thickness was measured by 3D OCT. Ocular rotation angle was measured from a fundus image obtained by a non-mydriatic fundus camera equipped with 3D OCT. The average, hemi-superior, and hemi-inferior RNFL thicknesses as well as those in the 4 quadrants and the 16-segmented superotemporal (ST-1) and inferotemporal (IT-4) sectors were compared both before and after correcting for ocular rotation. Receiver operating characteristic curves and the ...

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