Absolute Glaucoma, also known as blind hypertensive eye, is related to intraocular pressure quantitative trait locus and exfoliation syndrome. An important gene associated with Absolute Glaucoma is CTSA (Cathepsin A), and among its related pathways/superpathways are TNFR1 Pathway and Toll-like receptor signaling pathway. Affiliated tissues include eye and retina, and related phenotypes are nervous system and hematopoietic system