Table 1.
Family | Mutation | Protein Change |
Electroretinographic Findings |
---|---|---|---|
PKRP063 | c.A1138G | T380A | Diminished rod and cone responses under scotopic conditions, absent isolated cone response |
PKRP122 | c.A1466G | K489R | NA |
PKRP171 | c.A1466G | K489R | NA |
PKRP111 | c.A1466G | K489R | NA |
PKRP084 | c.A1466G | K489R | NA |
Abbreviation: NA, not available.
All individuals had early-onset progressive disease. Fundus examination in all individuals showed artery attenuation, pigment deposit, and pale optic disc.