Night Blindness, Congenital Stationary, Type 1a, also known as congenital stationary night blindness 1a, is related to x-linked congenital stationary night blindness and night blindness, congenital stationary, type 1e, and has symptoms including other specified visual disturbances, photophobia and amaurosis fugax. An important gene associated with Night Blindness, Congenital Stationary, Type 1a is NYX (Nyctalopin). The drugs Prednisolone and Prednisolone acetate have been mentioned in the context of this disorder. Affiliated tissues include liver and retina, and related phenotypes are congenital stationary night blindness and high myopia