Night Blindness, Congenital Stationary, Type 2a, also known as congenital stationary night blindness 2a, is related to night blindness, congenital stationary, type 1a and x-linked congenital stationary night blindness. An important gene associated with Night Blindness, Congenital Stationary, Type 2a is CACNA1F (Calcium Voltage-Gated Channel Subunit Alpha1 F), and among its related pathways/superpathways is Visual signal transduction: Cones. Affiliated tissues include retina and eye, and related phenotypes are reduced visual acuity and electronegative electroretinogram