Comments

  • Due to the triad of BNS symptoms presenting at various ages, a lack of available genetic testing until the patient’s adult life, and the confouding findings of vitiligo and poliosis, an accurate diagnosis of BNS was delayed in this patient.
  • The patient’s vision started declining around 20 years of age, with severe night blindness by the time he was 38, and worsened to counting fingers in both eyes by age 57.