title: Ultrasound in pre-vitrectomy assessment.
abstract: Ultrasonic examination helps the surgeon to select patients for vitrectomy and enables him to plan the operative procedure. A film demonstrated the advantages of rapid B-scanning over other ultrasonic techniques of previtrectomy assessment.
mesh_terms: D005128:Eye Diseases / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans; D014463:Ultrasonography; D014822:Vitreous Body / Q000473:pathology / Q000601:surgery*