Kusumlata presents with acute painful red eye and mild dilated veically oval pupil. Most likely diagnosis is:
Acute retrobulber neuritis
Acute angle closure glaucoma
Acute anterior uveitis
Severe keratoconjunctivitis
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