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  • Title: Detection of macular ganglion cell loss in preperimetric glaucoma patients with localized retinal nerve fibre defects by spectral-domain optical coherence tomography.
    Author: Na JH, Lee K, Lee JR, Baek S, Yoo SJ, Kook MS.
    Journal: Clin Exp Ophthalmol; 2013 Dec; 41(9):870-80. PubMed ID: 23777476.
    Abstract:
    BACKGROUND: To evaluate and compare the utility of ganglion cell complex with peripapillary retinal nerve fibre layer and optic nerve head measurements for detection of localized defects in patients with preperimetric glaucoma using spectral-domain optical coherence tomography. DESIGN: Prospective study. PARTICIPANTS: Preperimetric glaucoma patients. METHODS: A total of 105 eyes with preperimetric glaucoma and 68 age- and refractive error-matched control eyes were enrolled. The ability to detect localized retinal nerve fibre layer defects by RTVue-100 spectral-domain optical coherence tomography (Optovue, Inc., Fremont, CA, USA) was assessed calculating the areas under receiver operating characteristic curves. MAIN OUTCOME MEASURES: The ability to detect localized retinal nerve fibre layer defects by spectral-domain optical coherence tomography. RESULTS: Global volume loss and superior ganglion cell complex thickness showed the largest area under receiver operating characteristic curve values (both areas under receiver operating characteristic curves 0.84, P < 0.001) among ganglion cell complex parameters. Average peripapillary retinal nerve fibre layer thickness afforded the best diagnostic capability (area under receiver operating characteristic curve 0.89, P < 0.001), whereas among optic nerve head parameters, the horizontal cup:disc ratio yielded the highest area under receiver operating characteristic curve (0.85, P < 0.001). No statistical difference was evident between the areas under receiver operating characteristic curves of the most informative parameters when the data were gathered from the three different sites (ganglion cell complex, peripapillary retinal nerve fibre layer, and optic nerve head) (P > 0.02). CONCLUSIONS: Ganglion cell complex thickness was significantly reduced in eyes with preperimetric glaucoma. Ganglion cell complex imaging using spectral-domain optical coherence tomography may be a useful ancillary modality for detection of early macular changes in glaucomatous eyes with localized retinal nerve fibre layer defects.
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