Abstract: An electronic viewing aid according to the present invention comprises a small-scale, portable personal radar system adapted to be worn by a person, which radar system includes a miniaturised radar front end assembly (22) operating with millimeter wavelength electromagnetic radiation, an electrical power source, signal processing means and a sensory output means. In a preferred embodiment of the invention, the radar front end assembly (22) is constructed in the form of a pair of spectacles (76), in which both a transmit antenna (78) and a receive antenna (90) of the radar system are carried on respective lens elements (75) of the spectacles (76) and analogue portions of both a transmitter circuit and a receiver circuit are carried on respective side support frames of the spectacles (76); and the sensory output means is an audio output means including stereo headphones (98).