Three patients from an autosomal dominant pedigree were included in the study. In an 8 year old girl, a multifocal ERG could only be obtained from one eye, so that data from 101 eyes were analysed.

After 30 minutes dark adaptation flash ERGs were recorded from both eyes simultaneously in a 3 Ganzfeld stimulator (Nicolet GS 2000) using white flashes of a xenon discharge lamp. The pupils were ...

While many optometrists or ophthalmologists can perform preliminary screening, they will need to refer the individual to a retinal specialist for more definitive testing with the ERG. They eye doctor ...