obsolete_Keratoconus true 2.32 A noninflammatory, usually bilateral protrusion of the cornea, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. The cause is unknown but hereditary factors may play a role. The -conus refers to the cone shape of the corneal protrusion. (From Dorland, 27th ed). http://www.orpha.net/ORDO/Orphanet_156071 true Dani Welter use 'http://www.orpha.net/ORDO/Orphanet_156071' instead. New Label : Keratoconus MESH:D007640