Visual field decline and restoration following vitamin A therapy for vitamin A deficiency.

Purpose: To present a case of nutritional vitamin A deficiency (VAD) that caused bilateral severe dry eye symptoms and progressive visual field contraction over a 13.5-month span resulting in peripheral blindness and nyctalopia, and to document the patient's rapid visual field restoration following vitamin A therapy (VAT).

Observations: A 34-year-old Haitian woman presented for a glaucoma consultation with the following symptoms in both eyes (OU): painful dry eyes, floaters, nyctalopia, and visual field contraction over eighteen months despite treatment with four anti-glaucoma medications and intraocular pressures (IOP) in the low teens OU.