Assessment of Hereditary Retinal Degeneration in the English Springer Spaniel Dog and Disease Relationship to an RPGRIP1 Mutation : Figure 1

Figure 1: An English Springer Spaniel (ESS) dog deeply sedated and prepared for functional evaluation of the retina. The handheld multispecies electroretinograph (HMsERG) unit is used together with a preprogrammed protocol for evaluation of rod and cone function.