To improve the eyesight, you must keep the ocular area sanitary. Do not rub your eyes with your hands; otherwise, your eyes may be inflamed, furthermore, leading to the decrease of vision. Frequent eyes exercises are necessary. You can warm up your eyes, roll them and massage your temples. Avoid straining your eyes and ensure that your eyes get enough rest if you want to improve your eyesight. Each time when you read or watch TV or play computer games for about one hour, rest your eyes for ten minutes, you can do eye exercises or look far into the distance to relax. In regard with the nutritional regimen, you can intake foods rich of key nutrients such as vitamin A, vitamin C, fish oil properly from your diet. Foods rich of vitamin A include livers, eggs, milk, carrots, spinaches, leek and sweet potatoes and foods rich of vitamin C include cucumber, cabbages and dates. You can eat salmon, krill, cod and tuna to supplement essential fish oil. Last but not least, avoid dim lights, air conditioning and heating.