Vitamin A Deficiency: Why it damages vision & how to prevent it.

• Vitamin A deficiency is a serious global nutritional issue, particularly affecting children and mothers, impacting vision, skin, and immunity.
• It damages vision by hindering rhodopsin production (causing night blindness) and leading to corneal dryness, ulcers, and potential permanent loss.
• Key symptoms include night blindness, dry eyes, eye ulcers, and increased risk of infections.
• Causes range from nutritional deficiencies and liver problems to poor fat absorption and chronic infections.
• Treatment involves vitamin A supplements and a diet rich in sources like leafy greens, carrots, liver, and dairy to prevent permanent eye damage.

Why It Matters: This explains how a common deficiency can cause blindness and offers prevention.