L'heredite dans la retinopathie pigmentaire

40 families of pigmentar retinopathies were studied: the illness manifest at the end of the first decade or at the beginning of the second. It is often associated to other congenital affections. The genetic inquiry revealed that the transmission is done in the majority of the cases according to the recessive antosomal very often related to the sex. This transmission is favorized by the consanguineous marriages frequency, and the illness may appear in 25% of the families in which we know cases, and that what renders an account to give importance of the genetic advice