For presumed Posner-Schlossman syndrome, how useful is viral PCR on aqueous, and is there value in treating empirically with antivirals?

Aqueous fluid analysis, specifically viral PCR, in the setting of Posner-Schlossman syndrome (or glaucomatocyclitic crisis) is extremely useful. Most of these cases are in fact CMV-associated uveitis; some smaller proportion may be HSV-, VZV-, or even rubella-related. Our typical (and much safer) an...