Herpes Simplex Virus Iridocyclitis, Receiving Topical Steroids (HEDS-IRT): Patients with active HSV iridocyclitis were randomized either to oral treatment with 200 mg acyclovir capsules (400 mg five times daily) for 10 weeks or to the identical dose of placebo capsules. Patients also received topical prednisolone phosphate in the dosage schedule described above for the SKN trial.