Accommodation training apparatus is modified to include electroencephalography apparatus for monitoring the patient's brainwaves. This permits a patient to be trained to enter, and to remain in, the alpha state, even with the eyes open and with something to look at....http://www.google.com/patents/US5374193?utm_source=gb-gplus-sharePatent US5374193 - Methods and apparatus for use in alpha training, EMG training and dichotic learning