1. Comparison of Time Domain and Spectral Domain Optical Coherence Tomography in Measurement of Macular Thickness in Macular Edema Secondary to Diabetic Retinopathy and Retinal Vein Occlusion

    Comparison of Time Domain and Spectral Domain Optical Coherence Tomography in Measurement of Macular Thickness in Macular Edema Secondary to Diabetic Retinopathy and Retinal Vein Occlusion

    Purpose. To evaluate macular thickness, agreement, and intraclass repeatability in three optical coherence tomography (OCT) devices: the time domain (TD) Stratus OCT and two spectral domain (SD) OCTs, Spectralis and Cirrus SD-OCT, in eyes with macular edema secondary to diabetic retinopathy (DR) and retinal vein occlusion (VO). Methods. In a prospective observational study at a university-based retina practice, retinal thickness tomography was performed simultaneously for fifty-eight patients (91 eyes) with DR and VO employing a time domain and two spectral domain OCTs. Agreement in macular measurements was assessed by constructing Bland-Altman plots. Intraclass repeatability was assessed by intraclass correlation coefficients ...

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