<prompt> Kusumlata presents with acute painful red eye and mild dilated veically oval pupil. Most likely diagnosis is:Acute retrobulber neuritisAcute angle closure glaucomaAcute anterior uveitisSevere keratoconjunctivitis  <response>: Acute painful red eye and mild dilated veically oval pupil give the diagnosis of acute angle closure glaucoma. Ref: Comprehensive Ophthalmology By AK Khurana, 2nd Edition, Page 232 