Photokeratitis is related to keratopathy and corneal ulcer. An important gene associated with Photokeratitis is TRPM8 (Transient Receptor Potential Cation Channel Subfamily M Member 8), and among its related pathways/superpathways are Sudden infant death syndrome (SIDS) susceptibility pathways and Prostaglandin signaling. Affiliated tissues include eye and skin, and related phenotype is nervous system.