_:vb50950863 . _:vb50950863 "url:http://dro.hs.columbia.edu/angbleph.htm"^^ . _:vb50950863 . _:vb50950863 "A blepharoconjunctivitis that is characterized by fissuring, scaling, maceration and erythema of the lateral or medial canthal area."^^ . _:vb50950863 . _:vb50950863 . _:vb50950863 .