Retinal Nerve Fiber Layer Thickness Using Spectral-Domain Optical Coherence Tomography in Patients With No Light Perception Secondary to Optic Atrophy
Background: Optical coherence tomography (OCT) provides useful structural information that can augment functional data. Newer spectral-domain technology provides faster and higher resolution images than time-domain machines. Although each measures the same structures, the values systematically differ. We evaluated eyes with longstanding no light perception (NLP) visual acuity secondary to optic atrophy using spectral-domain OCT to determine minimum retinal nerve fiber layer (RNFL) thickness. Methods: The authors conducted a retrospective, cross-sectional chart review study to identify patients with NLP acuity for 8 months or more and having a good quality Spectralis OCT (Heidelberg Engineering, Heidelberg, Germany) to measure the RNFL thickness ...
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