Contact Blepharoconjunctivitis is related to allergic contact dermatitis and hypereosinophilic syndrome. An important gene associated with Contact Blepharoconjunctivitis is PTGDR2 (Prostaglandin D2 Receptor 2), and among its related pathways/superpathways are GPCR downstream signalling and Signal Transduction. Affiliated tissues include skin and eye.