| Phenotype details |
age presentation early 50s ; fundus normal ; fundus autofluorescence imaging normal; foveal appearance on spectral‐domain optical coherence tomography not available ; Scotopic full‐field electroretinograms normal; photopic 30 Hz ERG mildly delayed; pattern electroretinogram P50 components severely subnormal; central multifocal electroretinograms subnormal |