Woman's Weight-Loss Surgery Leads to Vision Loss

A woman's vision loss and lesions on her eyes turned out to have an unexpected cause: a vitamin deficiency stemming from weight-loss surgery, according to a recent report of her case. These symptoms are the effects of a severe vitamin A deficiency, said Kyle Kirkland, a medical student at the Texas College of Osteopathic Medicine and the lead author of the case report. Vitamin A plays an important role in eye health, and deficiency can lead to severe dryness of the eye, night blindness and lesio