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.
Vitamin A is a vitamin. It can be found in many fruits, vegetables, eggs, whole milk, butter, fortified margarine, meat, and oily saltwater fish. It can also be made in a laboratory.Vitamin A is used for treating vitamin A deficiency. It is also used to reduce complications of diseases such as malaria, HIV, measles, and diarrhea in children with vitamin A deficiency.here is growing concern that taking high doses of antioxidant supplements such as vitamin A might do more harm than good. Some research shows that taking high doses of vitamin A supplements might increase the chance of death from all causes and possibly other serious side effects.