Eyephone

One system in the works in this country would have us wearing "eyephones," a helmet-like apparatus with a small TV screen […] With the eyephones, each eye will receive only one field, but filters will adjust the picture.

Further along on the "naturalness of use" continuum are today's working VR projects where users are tethered by devices such as eyephones and datagloves.

State-of-the-art eyephones (head mounted visual displays) are not considered to be suitable for providing a realistic or natural visual environment.

The key element in this group of technologies is 'automatic head position tracking', which allows the wearer of an eyephone to scan a computer-generated landscape in a quasi-natural way.

He locked the door, put the CLOSED sign up, and went into the back room where he found the boy still seated, cross-legged, as he'd left him, his face hidden by the massive old eyephones cabled to the open notebook in his lap.

“That apparatus you see on his head is an eyephone. Inside it are tiny video screens that are transmitting to its wearer images of an opponent on the other end […]