Table 2: Details in regards to dogs in the masked ERG study. The genotypes are given as −/− for genetically affected, +/− for carriers, and +/+ for genetically clear individuals of the 44 bp deletion in exon 2 of the RPGRIP1 gene. The age at the time for ophthalmic and ERG examinations is given as years (y) and months (m).

Dog numberRPGRIP1 genotypeAge at ERGERG resultsOther clinical findings

1−/−9 y 2 mAbnormalNormal vision, fundus normal
2+/−8 y 7 mNormalNormal vision, fundus normal
3+/−7 y 9 mNormalNormal vision, fundus normal
4+/−7 y 9 mNormalNormal vision, fundus normal
5+/−13 y 10 mNormalNormal vision, fundus normal
6+/−11 y 11 mNormalNormal vision, fundus normal
7−/−9 y 2 mAbnormalNormal vision, fundus abnormal
8−/−9 y 2 mAbnormalNormal vision, fundus abnormal
9−/−8 y 4 mNormalNormal vision, fundus normal
10+/−9 y 4 mNormalNormal vision, fundus normal
11+/−8 yNormalNormal vision, fundus normal
12+/+9 y 3 mNormalNormal vision, fundus normal
13−/−12 y 4 mAbnormalReduced vision, fundus abnormal
14−/−7 yNormalNormal vision, fundus normal