<prompt> A 25-year-old male gives a history of redness, pain and mild diminution of vision in one eye for past 3 days. There is also a history of low backache for the past one year. On examination there is circumcorneal congestion, cornea is clear apa from a few fine keratic precipitates on the corneal endothelium, there are 2 cells in the anterior chamber and the intraocular pressure is within normal limits. The patient is most likely suffering fromAcute attack of angle closure glaucomaHLA B-27 related anterior uveitisJRA associated uveitisHerpetic keratitis  <response>: B i.e. HLA-B-27 related 