SA, Adult with Congenital Nystagmus improved his acuity in each eye after just one week doing Syntonic Phototherapy. That was his goal and he attained it. We likely could have gone even further, but he was content to stop at this point. To learn about our eye care services provided at Family Eye Care in Old Bridge, NJ, visit our website at www.newjerseyeyesite.com | 732-679-2020