Abstract
A hardware and software system is described that administers a dynamic form of random dot stereogram (RDS) vision test to subjects of any age for purposes of detecting the presence of strabismus (e.g. ‘crossed eyes’) or amblyopia (‘lazy eye’). The dynamic RDS is generated by an image processor under host computer control and is viewed on a color television monitor. Stereoscopic viewing is achieved through presentation of one image of the stereo pair in the red channel and the other in the green channel of the monitor, and having the subject view the monitor through a red and green window. Response is in the form of eye movement, detected by means of a television-based eye tracker, the output of which is fed to the host computer for analysis.
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