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The purpose was to study long- (L-) and middle-wavelength-sensitive (M-) cone-driven ERGs and multifocal ERGs (mfERGs) in sector retinitis pigmentosa (sector RP). Two eyes of two patients with sector RP were measured. ERG responses were measured to stimuli which modulated exclusively the L- or the M-cones or the two simultaneously (both in-phase and in counter-phase) with predefined cone contrast...
Vitelliform macular dystrophy (VMD) is widely known for an abnormal EOG in the presence of a normal ERG. In this study the multifocal electroretinogram (MF-ERG) is described as an additional tool to detect retinal dysfunction in VMD. Three patients aged 30, 37 and 59 years with VMD and a visual acuity of OD: 0.4; OS 0.05 (patient 1), 1.25 OU (patient 2) and OU: 0.6 (patient 3) underwent additional...
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