1, foods rich in carotene: carrots, white radishes, tomatoes, etc. Carotene in these foods will be converted into vitamin A in the human body, which can maintain the retinal photosensitive system and help prevent night blindness;
2. Foods rich in vitamin A: such as animal liver, beef and pork. Rich in vitamin A, vitamin A participates in maintaining the circulation of dark light sensitive substances in visual cells, which can prevent the occurrence of night blindness to a certain extent;
3. Foods rich in lutein: such as Chinese cabbage, cauliflower and purple cabbage. It contains lutein, which can increase the activity of retinal cells, protect the retina, and prevent fundus diseases such as central retinal vein occlusion and diabetic retinopathy. Lutein also has a good antioxidant effect, which can reduce the irritation of ultraviolet rays to eyes, improve visual sensitivity and improve vision to a certain extent.
Of course, the various nutrients contained in the above foods may not fully meet the needs of the human body, so they usually only play a certain auxiliary role. If you already have eye diseases such as night blindness and dry eye, it is recommended to seek medical advice in time, use artificial tears, neostigmine eye drops and other drugs according to the doctor's advice, and supplement vitamin A according to the doctor's advice to improve symptoms, and you can't just hope for diet therapy.