A high definition display tracks your vision to imitate how eyes focus in real life.

Laser Focus

Last month, The U.S. Patent Office approved new Facebook technology for a virtual reality headset that can track people's vision to focus on specific parts of a VR simulation — just how an eye might.

The new technology is called "retinal resolution," according to Upload VR, and it involves a smaller VR display that presents whatever someone is looking at in high definition, while a larger background display shows the periphery in less detail. This suggests Facebook is investigating ways to give VR the same level of detail that the human eye can process.

Realize Real Eyes

The idea is to mirror the way an eyeball sees the world. Our eyes have the highest density of rods — the type of light receptor cell that detects detail — packed right in the center of our field of vision.

But rods and cones, their color-detecting counterparts, become increasingly sparse as you travel out to the periphery of your vision. That's why things in the corner of your eye appear blurry — and, believe it or not, in black-and-white.

The concept behind Facebook's new VR display concept is that the smaller, moving display would match the high-density region of your vision, focusing whatever part of a VR simulation you're looking at in high definition, and the background would fill in the rest. But it's unclear what purpose Facebook expects this technology to serve — whatever part of a VR experience you're watching will always be in better focus than the periphery because that's how eyes already work all the time.

99 Percent Perspiration

Also, it's just a patent. As Upload VR reported, this tech may never actually come to fruition. Assuming Facebook's patent holds up in court against similar technology, the company would still need to then decide that it's worth the investment to put retinal resolution tech into future Oculus VR headsets.

Facebook might hold on to the patent but decide it's not worth actually building out the tech. After all, as long as they're sitting on the legal rights to eye-tracking retinal tech, no one else can bring it to market.

READ MORE: Facebook Wins Patent For Human-Eye 'Retinal' Resolution VR Headset [Upload VR]

More on virtual reality: A New VC Fund Is Bankrolling Virtual Products in a Simulated World


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