Actually, there are several types of eye discomfort with contact lenses, like dryness, lens tear, redness, gritty feeling, blurry vision and so fourth, which brother plenty of contacts wearers nowadays. First and foremost, sanitation problem is always essential, such as washing your hands before wearing contact lenses or quitting the bad habit of rubbing eyes. Moreover, inappropriate wearing or cleaning your contact lenses may also lead to eye discomfort, and long-time or over-time wearing is also a problem. There is no denying that contact lenses make seeing clearly more convenient, nevertheless, they are also annoying to wear. Thus, keep in mind that if your eyes don't feel good, look good, or see well with your contact lenses, you'd better have a checkup by an eye care professional ASAP. Believe it or not, sometimes a minor contact lens irritation may develop into a more serious issue if left untreated.