title: Legal Blindness From Severe Optic Nerve Head Drusen.
authors: Retina Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania.
authors: Mohammed Ali
authors: MA
authors: Khan
authors: Cataract and Primary Eye Care Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania.
authors: Alan R
authors: AR
authors: Forman
mesh_terms: D000328:Adult; D001766:Blindness / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D015594:Optic Disk Drusen / Q000150:complications* / Q000175:diagnosis; D061848:Optical Imaging; D041623:Tomography, Optical Coherence; D014792:Visual Acuity / Q000502:physiology; D058609:Visual Field Tests; D014794:Visual Fields / Q000502:physiology