Four Unique Cases of Keratopathy From Vitamin A Deficiency in a Tertiary Care Center in the United States: A Case Series

Vitamin A deficiency remains a notable cause of preventable vision loss and keratopathy in high-income countries, especially in certain at-risk populations. Prompt recognition of ocular signs and timely vitamin A repletion can lead to reversal or stabilization of keratopathy; however, at the institution in this study, patients more frequently presented after significant corneal damage had occurred.