Table 1 Summary of EOPRA in PWDs and other related diseases.

From: CCDC66 frameshift variant associated with a new form of early-onset progressive retinal atrophy in Portuguese Water Dogs

Disease names used

References

Breed

Onset (y)

Gene

Disease variant

Possible equivalent disease name in humans

prcd-PRA

36

PWD

3–6

PRCD

c.5G > A

PRCD-RP

EOPRA

This paper

PWD

2–3

CCDC66

c.2262_c.2263insA

CCDC66-RP, CCDC66-LCA

PRA

42

Schapendoes

4–7

CCDC66

c.521_522insA

CCDC66-RP