The present invention provides new variable focal power Lens Units in an eyeglass frame, controlled by radar and electronics for the visually impaired, consisting of a Neodymium Iron Boron ring magnet in a flexible rubber binder having a convention pole e.g. North, (facing the electromagnet)...http://www.google.com.au/patents/US5739959?utm_source=gb-gplus-sharePatent US5739959 - Automatic fast focusing infinitely variable focal power lens units for eyeglasses and other optical instruments controlled by radar and electronics 
