It was too soon to say when production versions would be fitted to future models, said a spokesman.
The headlights use a single video camera fitted inside the vehicle along with sophisticated software and a battery of peripheral infrared sensors and photo-diodes.
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The camera can scan the driver’s eyes more than 50 times per second at night and uses a complex algorithm to figure out where the driver is looking.
Opel said the camera makes adjustments in order to compensate for a driver’s natural tendency to jump from one focal point to another. (dpa/NAN)