Retinal Cone Dystrophy 4, also known as rcd4, is related to cone-rod dystrophy 2 and night blindness, congenital stationary, type 1c, and has symptoms including photophobia An important gene associated with Retinal Cone Dystrophy 4 is CACNA2D4 (Calcium Voltage-Gated Channel Auxiliary Subunit Alpha2delta 4), and among its related pathways/superpathways are G-Beta Gamma Signaling and Development Ligand-independent activation of ESR1 and ESR2. Affiliated tissues include t cells and monocytes, and related phenotypes are visual impairment and photophobia