There is mainly two reasons for eye twitching. First of all ,it may be that you have got xerophthalmia which is also called dry eyes that is caused by overusing of eyes and nutritional of eyes. If so, you should begin to allow your eyes to have adequate time of rest, for example, take a break when you have been working or reading for an hour and wash your face with mild water. If possible, put a humidifier on your desk in the office or in the study in case of too dry air inside the room. Besides, you can use eye drops to reduce the dry conditions of your eyes and keep them moisty. In addition, eat more vegetables and fruits especially the foods which are rich in vitamin A that is good for your eyes. There is another reason for your eye twitching, that is, blepharospasm, which is caused by syndromes of irritated nerves dysfunction. If so, you should go to the doctor's as soon as possible for early cure in case of eye twitching turning to facial paralysis.