RT Journal Article SR Electronic T1 Actinomycosis of the orbit. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 505 OP 506 DO 10.1136/bjo.76.8.505 VO 76 IS 8 A1 T J Sullivan A1 G W Aylward A1 J E Wright YR 1992 UL http://bjo.bmj.com/content/76/8/505.abstract AB Actinomycosis is a very rare cause of orbital abscess usually attributable to direct spread from adjacent structures. A case of actinomycosis of the orbit is presented, which was treated as orbital pseudotumour for 3 months before progression of signs and symptoms, despite high dose steroids, led to the diagnosis being reconsidered.