title: Retinopathy associated with pegylated interferon and ribavirin treatment for chronic hepatitis C.
abstract: BACKGROUND
  Retinopathy is associated with the use of interferon and ribavirin for the treatment of chronic hepatitis C. Common ocular complications include cotton wool spots, retinal hemorrhages, and macular edema.
  
  
  METHODS
  A 53-year-old black man with a history of drug and alcohol abuse was admitted to the Department of Veterans Affairs clinic for substance abuse treatment. Results of a liver biopsy showed chronic hepatitis C, and treatment with interferon and ribavirin was initiated. A comprehensive eye examination was performed just before the initiation of treatment, and the patient was then periodically monitored for the presence of retinopathy. No retinopathy was found at the initial visit or at his 1-month or 2-month follow-up examinations. His 4-month retinal evaluation found cotton wool spots in both eyes and retinal hemorrhages in the left eye. The retinopathy persisted for several months but resolved in both eyes before his treatment was discontinued. Throughout his treatment period there were no visual complaints or visual acuity changes.
  
  
  CONCLUSIONS
  Although this patient was visually asymptomatic, and his retinopathy resolved during treatment, we chose to monitor the patient monthly during treatment because of the risk of serious (although rare) ocular complications.
authors.affiliation: Veterans Affairs Southern Oregon Rehabilitation Center & Clinics, White City, Oregon 97503, USA. sadams@pacificu.edu
authors.forename: Shelly
authors.initials: S
authors.lastname: Adams
authors.forename: Mark
authors.initials: M
authors.lastname: Ostermeier
mesh_terms: D000284:Administration, Oral; D000998:Antiviral Agents / Q000008:administration & dosage / Q000009:adverse effects*; D004334:Drug Administration Schedule; D019698:Hepatitis C, Chronic / Q000188:drug therapy*; D006801:Humans; D007279:Injections, Subcutaneous; D000077190:Interferon alpha-2; D016898:Interferon-alpha / Q000008:administration & dosage / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D011092:Polyethylene Glycols / Q000008:administration & dosage / Q000009:adverse effects*; D011994:Recombinant Proteins; D012075:Remission, Spontaneous; D012166:Retinal Hemorrhage / Q000139:chemically induced* / Q000503:physiopathology; D012254:Ribavirin / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D000998:Antiviral Agents; D000077190:Interferon alpha-2; D016898:Interferon-alpha; D011994:Recombinant Proteins; D011092:Polyethylene Glycols; D012254:Ribavirin; C100416:peginterferon alfa-2a