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 H. Vitamin H -- also known as biotin -- can help promote healthy skin and prevent itching. While a vitamin H deficiency is rare, symptoms can include dry eyes, fatigue, depression, insomnia, hair loss, cracking at the corners of your mouth and dry, scaly skin.y keeping your skin hydrated, you are less likely to experience dry and itchy skin. Vitamin A can be supplemented or consumed through a well-balanced diet. Food sources of vitamin A include cheese, squash, spinach and eggs.