A salient flange on the cornea is fomed, inhabiting the inferior part of the circular cavity consituted by the intumescentia. A purulent secretion appears and make the eyelids tube connected. In general, this is caused by microbes. If it's neglected, it may become chronic. The treatment must have the guidance of an ophtalmologist since the conjunctivitis appears. This one should write a detailed prognosis, so that the inflammation will not progress to a serious stage.