A method of treating glaucoma is described herein. The method includes the steps of providing an ultrasonic device that emits ultrasonic energy, holding the ultrasonic device at a location external to the trabecular meshwork, transmitting the ultrasonic energy at a frequency to a desired location for...http://www.google.es/patents/US8043235?utm_source=gb-gplus-sharePatente US8043235 - Ultrasonic treatment of glaucoma