Facebook granted patent for human-eye level HMD

Facebook has won a patent for a head-mounted display (HMD) device combining a small high-resolution display with a large lower-resolution screen.
This headset incorporates eye tracking-driven foveated rendering, a process that involves rendering most of the view into a virtual world at lower resolution apart from the area directly in front of where the user’s eye is pointed.
The area in front of the eye, where a human eye perceives the greatest detail, is rendered at a higher resolution.
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