4. Citrus fruits
Vitamin A, also known as retinol, is a fat-soluble vitamin that is essential for vision. Vitamin A is found in fish, eggs, and dairy products. A deficiency in Vitamin A can lead to night blindness and also to a higher risk of corneal infections. Vitamin A can help to prevent these problems and also improve your eyesight. Vitamin A can also be found in certain fruits and vegetables. Citrus fruits such as oranges and tangerines are a good source of Vitamin A. It is important to eat a well-balanced diet, including a variety of foods, so as to make sure you get all the nutrients needed for a healthy body.