Acute retinal necrosis after neonatal herpes encephalitis.

Editor,—We read with interest the letter of Pavesio et al reporting acute retinal necrosis (ARN) in a 17 year old who had had neonatal herpes simplex virus (HSV) encephalitis.1 We would like to report a patient who also had neonatal HSV encephalitis who had been treated with parenteral aciclovir and developed ARN 16 years later. ### CASE REPORT A 16 year old white woman with a history of mental retardation and seizures as a result of neonatal HSV encephalitis presented with a 5 day history of her left eye being red and apparently uncomfortable. On presentation she was found to have moderate anterior chamber and vitreous inflammation and peripheral retinal necrosis in her left eye for 8 clock hours. There were no chorioretinal …