Firstly, I insist that what you have to do immediately is go to the office of your ophthalmologist or optometrist and have them check either the glasses still has a centered frame or a correct prescription. You know, eye health comes first. Intense uses of your eyes include facing the computer all day undoubtedly leading to eye dryness and eye strain. What is more. due to inappropriate uses, the frame will be deformed. Well, although the lens technology is rapidly and efficiently developed, which is far superior than many years ago, mistakes can not be totally avoided. When your glasses was matched newly, the minor deviation between the correct and incorrect prescriptions could not be recognized at that time. However, the mistake becomes a problem as time goes on, especially when your degree match greatly, the most obvious sign of an incorrect glasses prescription is blurred or fuzzed images with a wrong prescription. As a result of a large mistake, you may even have cross-eye. It also causes other symptoms include discomfort, burning, dry eye, dizziness and nausea. Before your any decision, it is wise to see the doctor in specialized hospital. Just for reference. Have a good day.