We also offer Corneal Refractive Therapy ( CRT ), a non-surgical alternative method of vision correction.We are now happy to introduce to our patients the vision correction therapy that works while you sleep. Corneal Refractive Therapy is a nighttime vision correction that gives you freedom from glasses and contacts all day without surgery. Paragon CRT is a specially designed contact lenses that gently and temporarily reshapes the cornea while you sleep. Through intense research and clinical testing, Paragon CRT has been proven both safe and effective for patients of all ages when worn during sleep, earning this therapy FDA approval for nighttime use. The result for you is great vision for the rest of the day without glasses or contacts. Paragon CRT puts an end to the hassles of contact lenses, foggy glasses, broken frames and discomfit from dry eyes. Whether you are playing sports, working in a dusty or windy environment, or simply applying make-up, with Corneal Refractive Therapy nothing stands in the between you and excellent vision. You just wear the Paragon CRT lenses while yours sleep and take them off when you wake up - it is that simple! And because you can stop the therapy at any time without permanent change to your eyes, you have ultimate control and flexibility in your vision correction.