title: Terrien's marginal degeneration.
abstract: Terrien's marginal degeneration (TMD) is a bilateral and progressive corneal disorder that causes corneal thinning, furrowing, neovascularization and high degrees of corneal astigmatism. Possible sequellae include ectasia and perforation of the affected corneal region. An asymptomatic patient presented to our clinic manifesting all of the classical signs of TMD except the high degree of corneal astigmatism. Excellent visual acuity was attained with the latest spectacle prescription.
mesh_terms: D000328:Adult; D001251:Astigmatism / Q000150:complications; D003317:Corneal Dystrophies, Hereditary / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D005139:Eyeglasses / Q000592:standards*; D005260:Female; D006801:Humans; D008875:Middle Aged