Richard Epworth (Author of Bottleneck
– Our human interface with reality),
wearing the “Private Eye” head-mounted display
in 1989, 25 years before Google Glass!
The display (designated the “P4″) was a 720 x 280 pixel monochrome (red) monitor in a 3.5″ x 1.5″ x 1.25” package.
Actual screen size was 1.25″ on the diagonal, but the image appeared to be a 15 inch display viewed at 18 inches distance.
At the time I was working on Eye Movement Controlled Technology