Eyestrain can eat vitamin A, B vitamins, vitamin C , vitamin E, etc., but if you do not lack of vitamins, a normal diet, avoid excessive eye use can be. Vitamin A, also known as retinol, is good for the eyes, while B vitamins, vitamin C, vitamin E, etc. can also play a certain protective role for the eyes. In the case of eye fatigue and lack of appropriate vitamins, can be appropriate vitamin supplementation. If there is no lack of appropriate vitamins, it is not recommended to oversupplement, so as not to cause other symptoms of discomfort. In daily life, ensuring a balanced intake of fruits, vegetables, cereals, eggs, meat, dairy and other foods can usually satisfy the body’s nutrient needs, and excessive vitamin supplementation is not recommended. If your eyes are tired, you should pay attention to reduce the time you spend with your eyes, take reasonable rests, and you can also use artificial tears to relieve the discomfort. Medical attention should be sought if necessary.