Individual | GPR98 genotype | Hearing loss | Funduscopic examination | ERG | OCT | ENG |
V:1 | del/del | Moderate to severe across all frequencies | ||||
V:7 | del/del | Moderate to severe across all frequencies | RP | Cone degeneration | Increased inner retinal thickness | Directional preponderance 27% left, unilateral weakness 36% left |
V:8 | del/del | Moderate to severe across all frequencies | RP | Cone degeneration | Directional preponderance 35% right | |
V:10 | del/del | Moderate to severe across all frequencies | RP | Directional preponderance 13% right | ||
V:11 | del/del | Moderate to severe across all frequencies | RP | Normal | ||
V:15 | wt/wt | Severe to profound in mid to high frequencies | Normal | |||
V:16 | wt/wt | Severe to profound in mid to high frequencies | Normal |
ENG, electronystagmography; ERG, electrorethinography; OCT, optical coherence tomography; RP, retinitis pigmentosa; wt, wild type.