Patent ID: 7614746

Claim:
A device for testing the macula of the eye of a human subject, the device comprising a stimulus light source for emitting a light to be directed toward the macula of an eye of a human subject, the stimulus light source comprising at least one light located within a stimulus spheroidal chamber having a stimulus aperture and the at least one light is mixed by the interior surface of the stimulus spheroidal chamber and emitted through the stimulus aperture toward an eye of a subject, a second chamber affixed to the stimulus spheroidal chamber, said second chamber having a first aperture adapted to be positioned proximate to the eye of a subject and a second aperture opposite thereto, said second chamber being aligned with the stimulus light chamber such that light emitted by the at least one light passes through the stimulus aperture and both the first and second apertures of the second chamber toward the eye of a patient, and an electronic controller to control the intensity and the color output from the at least one light.