Talk to Dermatologist on Syphilis

meri wife ko syphilis hua wo phele se hee pregnant thee she delivered baby boy we notice symptoms in my wife when my our child age is 8 months we go to dermatologist he suggested all our family a test called tpha my and my wife got reactive and our child test comes non reactive and his titer range in normal at the age of 8 months now my child age is 1 year 8 months now he have some issue night blindness and red blood cells count but in my genics have night blindness in my mother side and also father side so suggest me which doctor should I consult for my child