An updated and revised edition detailing the 'Bates method', a technique which claims to the retrain the eye so contact lenses and glasses are no longer needed. The method aims to restore sight by using exercises to relax the eye muscles before retraining the eyes to focus effectively. Prescription glasses act as a prop for the muscles in your eyes and so, over time, the muscles actually get weaker. In fact, in the long term, glasses can only ever weaken your ...