Congenital Stationary Night Blindness

Congenital Stationary Night Blindness (csnb) in Briards, also called hereditary retinal dystrophy, is an inherited disease caused by a defect in the gene RPE65.

The symptoms include night blindness and a loss of vision in daylight that can vary between individual dogs.

Possible Test Results :

  • Clear
  • Carrier
  • Affected
  • Hereditary Clear
  • Hereditary Carrier
  • Hereditary Affected
More CSNB Information (opens a new window)

Congenital Stationary Night Blindness is a mandatory test for the following breeds :

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