Have you ever encountered such a situation: suddenly or continuously blurred eyes, everything is foggy, and even accompanied by dizziness and other symptoms. Don't underestimate the blurred eyes and blurred sight. Because most people are too busy with their work, they ignore the phenomenon of blurred vision. When their eyesight drops or their eyes are tired and sore, they will simply think that it is just fatigue. However, it is likely to be a precursor to many serious diseases, such as retinal detachment, cataract or dry eye, or it may be an abnormal blood sugar phenomenon caused by diabetes. These diseases are likely to lead to serious consequences and permanent damage to vision. So, when you have blurred vision, don't think that you are just too tired to ignore it. It is necessary to seek medical attention in time to ensure eye health. This is not a minor illness. Knowing what's going on with blurred eyes can help you better protect your health. Visual fatigue leads to blurred eyes. With the frequent use of computers and televisions, it will do great harm to the eyes, especially in the case of poor light and poor sitting posture, which is the reason why most people's eyes are blurred. Poor rest, insufficient brain rest and lack of oxygen are the root causes of blurred eyes. Blurred vision is due to excessive fatigue, and eyes will be blurred without rest. After a sleep, your eyes will be much clearer Vitamin deficiency leads to blurred eyes. Vitamins play an important role in human growth, metabolism and development. Among them, vitamin A is the raw material of rhodopsin, which is an important substance to maintain vision. Lack of vitamin A can lead to blurred eyes, dry eyes and night blindness. Solution: Eat more foods rich in vitamin A to relieve the symptoms of blurred eyes, such as carrots, chicken liver, eel cabbage, carrots, broccoli, mangoes, kiwis, grapes, kiwis, tomatoes and yellow corn. Diabetes causes blurred eyes. For a certain group, what is blurred eyes is another explanation, and that is diabetes. Patients will have blurred eyes, edema, congestion and even retinal detachment. Retinopathy is the most serious complication of diabetes in eyes. Solution: Diabetic patients should control the intake of blood sugar, do fundus examination regularly, and control blood pressure and blood lipid. Blurred vision is probably caused by eye diseases such as glaucoma and cataract. Glaucoma is a common and difficult eye disease, with rapid onset, great harm and blindness at any time. Its characteristic is that the intermittent or continuous increase of intraocular pressure exceeds the tolerance of eyeball, which damages the tissue and visual function of various parts of eyeball, leading to optic nerve atrophy, reduced visual field, decreased vision and even blindness. Glaucoma is a binocular disease, which can occur in both eyes at the same time, or in one eye, and then both eyes become blind. The main symptom of cataract is blurred vision, which may include fear of light, dark or yellow color, even diplopia and object deformation. For students, what is the reason for blurred eyes? For student friends, blurred eyes are most likely a manifestation of myopia. Myopia is a symptom that the eyes can't see clearly, but can see clearly what is near. Under the premise of static refraction, distant objects cannot converge in the retina, but form a focus in front of the retina, thus causing visual distortion and blurring of distant objects. For computer workers, what is the reason for blurred eyes? Sitting in front of a computer for a long time or in a heated environment, people often feel that their eyes are astringent and their vision is blurred. These are all symptoms of dry eye. Friends who use computers for a long time should pay attention to their schedules, use their eyes, take breaks in the middle, and try to reduce their close contact with computers. People who often work in front of the computer often feel dry eyes and pain. The protective effect of banana on eyes is first related to its rich potassium. Excessive intake of salt will lead to a lot of water in cells, which will cause red eye. Potassium in bananas can help the human body to discharge these excess salts, so that the body can achieve a balance of potassium and sodium, and relieve eye discomfort symptoms. In addition, bananas contain a lot of beta carotene. When the human body lacks this substance, the eyes will become painful, dry, dull and dehydrated. Eating more bananas can not only relieve the symptoms of dry eyes, but also relieve eye fatigue to some extent, avoid premature aging of eyes and improve vision.