title: Zinc deficiency and visual impairment?
mesh_terms: D006801:Humans; D004103:Iodoquinol / Q000009:adverse effects / Q000627:therapeutic use; D008297:Male; D009901:Optic Nerve Diseases / Q000139:chemically induced / Q000209:etiology; D014786:Vision Disorders / Q000209:etiology*; D015032:Zinc / Q000172:deficiency* / Q000378:metabolism / Q000627:therapeutic use
chemical_list: D004103:Iodoquinol; D015032:Zinc