I think your case was caused by the eye fatigue. That is, you have been making your eyes work continually for a long time or even overtime. The main symptoms contain sore eye, burning eye, blurred vision, headache, dizziness of mind, inattention, general weakness, inappetence and insomnia etc. The people who are working on the careful job are easy to catch this disease, especially for the students, accountants, typists and tracer and so on. Of course, other persons with myopic eyes, hyperopia or stigmatism are also dangerous and at risk in this condition. Here have some methods can be followed. First, you are suggested not read overtime. After half an hour's working, you take a break to overlook, which may help relax the musculi oculi and relieve your eyes. Second, you try to find out the root cause of your condition. The sore eye often caused by the myopic eyes and astigmatism. You go to the hospital for a detailed check regularly and wear a pair of proper glasses to help correct your eyes. Third, you must be promised the good lighting when you are reading. Never read under the strong sunlight in the day. Never read in bed in the night. Develop a good habit to read and work. Your eyes can provide you with rich views of the world.