As we all know, dry eyes are uncomfortable and a nuisance, and when the dry eyes last long, it will cause many problems. For example, you know while appearing the dry eyes, the tears will corresponding reduce, which will cause fearful irritation to the front of the eye, especially the cornea which plays an important role in our eyes. Besides, because of the dry eyes, you may be annoyed by the burning and a feeling of scratchiness as if there is something adheres to your eye, consequently, a gritty, sandy sensation will get worse as time past and the dry eyes get worse. According to the doctor, this problem often cause by using computer for long time, so if you can not cure it by eye drops, you had better ask help for the professional eye doctor. As well, you can put a humidifier in your home. Hope you can get rid of the dry eyes.