Definition of constraint in the AudioEnglish.org Dictionary. Meaning of constraint. What does constraint mean? Proper usage and audio pronunciation (and phonetic transcription) of the word constraint. Information about constraint in the AudioEnglish.org dictionary, synonyms and antonyms.
Ensures Healthy Eyes: Vitamin A can aid in improving vision. It enables your eyes to adjust to light changes, keeps the eyes moist, and also improves night vision. It can prevent many conditions like dry eyes as well. It helps in the formation of visual purple in the eyes, which can improve the vision of weak eyes.
Cancel. Vitamin A is a group of different compounds that helps the body fight infection, improve vision and maintain skin health. Discover the benefits of vitamin A with tips from a licensed dietitian in this free video on nutrition.Part of the Video Series: Nutrition Tips.ancel. Vitamin A is a group of different compounds that helps the body fight infection, improve vision and maintain skin health. Discover the benefits of vitamin A with tips from a licensed dietitian in this free video on nutrition.