Well, apart from rubbing the eyes, you need to be more careful about eye itching. In general, itchy eyes are always associated with some more serious diseases, such as dry eyes, allergies, allergic conjunctivitis(contain seasonal allergic conjunctivitis and perennial allergic conjunctivitis) and blepharitis. Obviously, if you do not suffer the eye itchy, you will certainly not rub your eyes any more. Further, when you touching your eyes, the germs from your hands can inevitably enter into our eyes may leading to bacterial infection. Now, you need to shut up your windows and run the air conditioner to reduce the allergens, especially in spring. Besides, you need to avoid smoking. On safe side, if it does not get better in 1-3 days, you had better go to see doctor and take some medicine(like allegra or zyrtec) to relieve the irriation, redness or dryness of your eyes.