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Table 1 Mean values of the multifocal electroretinography, microperimetry, and retinal layer thicknesses obtained using spectral-domain optical coherence tomography among subjects with birdshot chorioretinopathy included in the study

From: Topographic correlation between multifocal electroretinography, microperimetry, and spectral-domain optical coherence tomography of the macula in patients with birdshot chorioretinopathy

 Inner ring (R1)Middle ring (R2)Outer ring (R3)
Electroretinography parameters
 Implicit time (ms)35.9 ± 9.035.6 ± 4.835.3 ± 2.8
 Amplitude (nV/deg2)23.0 ± 11.613.0 ± 3.29.4 ± 3.5
Microperimetry
 Macular sensitivity (dB)9.9 ± 5.311.2 ± 5.110.6 ± 3.7
Spectral-domain optical coherence tomography
 Full retinal thickness (μm)250.4 ± 21253.4 ± 22231.0 ± 22
 RPE-Bruch’s layer Thickness (μm)41.0 ± 5.133.7 ± 4.324.1 ± 3.9
  1. *The rings R1, R2, and R3 represent 0°–2.3° from the foveal center, 2.3°–7.7° from the foveal center, and 7.7°–12° from the foveal center, respectively