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The headset can overlay elements at any distance, but when it does there may be a mismatch between the point your eyes look at and the distance they focus at. T

The headset can overlay elements at any distance, but when it does there may be a mismatch between the point your eyes look at and the distance they focus at. This can cause the images you see to appear blurry and out of focus. This is called vergence-accommodation conflict, and it's a common issue in VR and AR. Magic Leap attempts to address this by having two fixed planes where it can focus the projected images. This does help, but according to reviewers it seems like two fixed planes still isn't enough to eliminate the problem entirely. Future headsets may be able to address this by using more planes, or by allowing the plane(s) to dynamically change focus (varifocal displays).

CydeWeys 8y ago
> The headset can overlay elements at any distance, but when it does there may be a mismatch between the point your eyes look at and the distance they focus at. So basically it can only correctly overlay elements at two distances, then? Any other distances are going to be out of focus to varying degrees, which will start looking increasingly incorrect the farther they are from the correct focal distance? Does the hyperfocal distance come into play here? Is there some range around each focal length that is acceptable, or do the eyes work differently from camera lenses here?
- deleted 8y ago
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- Ajedi32 8y ago
  I'm not an expert on the on the inner workings of the human eye, but yes I believe the severity of the "blur" effect depends on the difference between the distance of the focal plane the object is rendered on and the actual distance your eyes are focusing on. As long as it's "close enough" you won't notice. (Though I have no idea how close "close enough" is for the average human.)
amelius 8y ago
Iirc, the Google Glass system used a (weak) laser to "write" directly onto the retina. Wouldn't such approach be superior?

CydeWeys 8y ago

> The headset can overlay elements at any distance, but when it does there may be a mismatch between the point your eyes look at and the distance they focus at. So basically it can only correctly overlay elements at two distances, then? Any other distances are going to be out of focus to varying degrees, which will start looking increasingly incorrect the farther they are from the correct focal distance? Does the hyperfocal distance come into play here? Is there some range around each focal length that is acceptable, or do the eyes work differently from camera lenses here?

deleted 8y ago
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Ajedi32 8y ago
I'm not an expert on the on the inner workings of the human eye, but yes I believe the severity of the "blur" effect depends on the difference between the distance of the focal plane the object is rendered on and the actual distance your eyes are focusing on. As long as it's "close enough" you won't notice. (Though I have no idea how close "close enough" is for the average human.)

amelius 8y ago

Iirc, the Google Glass system used a (weak) laser to "write" directly onto the retina. Wouldn't such approach be superior?