How to correct 4.9 on one side

Vision 4.3 side 4.9, usually indicates the existence of refractive error, can be improved by daily conditioning, wearing glasses, laser surgery and other ways.

1, daily conditioning to

maintain good living habits, such as ensuring adequate sleep, appropriate to eat foods rich in vitamin A, such as carrots, milk, etc., to help protect vision.

2

, wearing glasses

wearing glasses is the most common way

to correct vision.