![](http://www.alamy.com/thumbs/6/DC03CE92-E53A-4132-845C-1F301E8AE0AB/2G1YADB.jpg)
Photoelectric cells mounted on special eyeglasses follow movements of a patient's eyballs as he looks at a moving target, while his head remains motionless. A computer analyzes the findings, thereby aiding physicians in their diagnosis, 1964. (Photo by Authenticated News/ RBM Vintage Images)
Size: 3885px × 4757px
Photo credit: © RBM Vintage Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1964, cell, chin, cup, diagnostic, disease, eye, eyeballs, eyeglasses, funny, man, moving, photoelectric, target, tool