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목적 : To compare the spectral-domain optical coherence tomography (SD-OCT) parameters, ganglion cell-inner plexiform layer (GCIPL) thickness, peripapillary retinal nerve fiber layer (pRNFL) thickness, and optic nerve head (ONH) parameters between eyes with myopic tilted optic disc and non-tilted optic disc, and to investigate the effect of myopic optic disc tilt on the glaucoma diagnostic performance of these OCT parameters.
방법 : The study included 106 patients with glaucoma and 45 normal subjects. Macular GCIPL and pRNFL thicknesses and ONH parameters were measured in each participant, and their diagnostic abilities were compared.
결과 : The ONH parameters in the tilted disc group were significantly smaller than in the non-tilted disc group. The temporal RNFL was significantly thicker in the tilted disc group compared to the non-tilted group. The diagnostic capability of the ONH parameters and temporal RNFL thickness in the tilted disc group were inferior to that in the non-tilted disc group. However, there were no significant differences in GCIPL thicknesses between the two groups. Furthermore, the diagnostic capability of GCIPL thickness in the tilted disc group was was comparable to that in the non-tilted disc group.
결론 : The myopic optic disc tilt should be considered when diagnosing and monitoring glaucoma with the Cirrus HD-OCT. GCIPL measurement provides more reliable parameters compared to pRNFL thickness or ONH parameters in eyes with myopic tilted optic disc.
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