Vitamin A Deficiency Vitamin A deficiency happens when your body doesn’t get enough vitamin A. Diet lacking in vitamin A and certain disorders can cause vitamin A deficiency. Symptoms include vision …

Mar 13, 2023 · While vitamin A deficiency is rare in developed countries, certain people may be at a higher risk. Here are 8 signs and symptoms of vitamin A deficiency.

Jul 13, 2025 · When you don't get enough vitamin A in your diet, you may be at risk of having a vitamin A deficiency. Over time, this can lead to several health concerns, including vision problems,...

Vitamin A plays a major role in phototransduction, so this deficiency impairs vision, often presenting with nyctalopia (night blindness). [1] . In more severe VAD cases, it can progress to xerophthalmia, …

Oct 1, 2024 · Vitamin A deficiency stops the production of these pigments, leading to night blindness. Your eye also needs vitamin A to nourish other parts of your eye, including the cornea. Without …

Mar 18, 2022 · Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular …

Sep 25, 2025 · Vitamin A deficiency is when your body lacks enough vitamin A to properly function. This can lead to symptoms such as vision loss, hair loss, night blindness, and infections.

Apr 17, 2025 · People who have low levels of vitamin A, called vitamin A deficiency, seem to benefit most from vitamin A supplements.

Vitamin A deficiency results from a dietary intake of vitamin A that is inadequate to satisfy physiological needs. It may be exacerbated by high rates of infection, especially diarrhoea and measles. It is …

Aug 7, 2024 · What Is a Vitamin A Deficiency, and Who Is at Risk? A vitamin A deficiency occurs when the body doesn't get enough vitamin A, a fat-soluble vitamin. It's important for healthy vision, a strong …