pseudopterygium pseudopterygium pseudopterygium is the conjunctival adhesion to cornea caused by limbal or corneal inflammation or trauma. the pseudopterygium can be easily distinguished from pterygium by bowman's probe test. because of the lack of adherence of pseudopterygium at every point, the probe can be passed beneath it at some point. pseudopterygiumspecialtyophthalmologycausespost inflammatorydiagnostic methodeye examinationdifferential diagnosispterygiumtreatmentsurgery causes chemical burn marginal corneal ulcer cicatrizing conjunctivitis trauma surgery differential diagnosis difference between pterygium and pseudopterygium pterygium pseudopterygium etiology degenerative processinflammatory process age common in adults occur in any age site horizontally, most commonly nasally anywhere status progressive(commonly) or stationary always stationary neck adherent to limbus free probe test probe cannot be passed underneath probe can be passed under neck treatment pseudopterygium can be removed by surgical excision.