Abstract
After using the binaural sensory aid in conjunction with the long cane for years, the writer feels that his orientation and mobility have improved, that he experiences less stress and is therefore more willing to cope with travel situations he would previously have avoided, and that he has developed to some extent the ability to interpret the device's signals (to determine what object causes a particular auditory signal). He believes that a new model of the aid, Mark II, currently undergoing field tests, is superior to the various models of Mark I and that the binaural sensory aid, while not the perfect solution to all the mobility problems of blind people, is a successful mobility aid and environmental sensor.
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