Fig. 6.

Progressive visual field improvement following enteral VAT. (A) Visual fields upon presentation. (B) Visual fields on day 3 after initiation of VAT (loading doses of 200,000 IU/day orally on days 1 and 2). The previously documented bilateral visual constriction had improved, as the central isle of vision had expanded OU. (C) Visual fields on day 11 after initiation of VAT. The patient's peripheral vision had markedly improved compared to a week prior, as the central isle continued to expand. (D) Visual fields following 166 days of Vitamin A therapy (8,000 IU daily). Condition of the patient's peripheral vision had been restored and visual acuity was 20/20 OU.