From PC Mag: HTC's newest Vive VR headset is its first consumer-friendly model to feature eye tracking.
The Vive Focus Vision is a standalone headset with internal sensors that can track the user's eyes, enabling sight-based controls and graphics-boosting foveation.
The Focus Vision builds on HTC's enterprise-oriented Vive Focus 3 headset, and is the first in the Vive Focus line to be marketed to consumer enthusiasts as well as enterprise users. It's a standalone VR headset powered by a Qualcomm Snapdragon XR2 processor, and can also be used tethered to a PC over USB-C and DisplayPort. It has a 2,448-by-2,448 resolution for each eye, with a 120-degree field of view. The headset display has a 90Hz refresh rate when used alone, with support for 120Hz over DisplayPort planned for later this year.
Eye tracking is the Vive Focus Vision's biggest boon. The headset can follow the user's gaze 120 times per second with an accuracy of 0.5 to 1 degree within a 20-degree central field of view. This lets the headset employ foveation, where more processing power is dedicated to rendering what the user is looking directly at versus the periphery, enabling better performance.
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