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Comment by nomel | Hacker News Reader

It didn’t work because the pixels per degree isn’t enough, even with the Quest Pro, to show clear text. I still use it for coding, but it’s very far from ideal.

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Apple claim text is crisp with VP. They also claim the resolution is similar to retina - but their stated pixel count and my guesstimates of usage distance suggest it's about half (in each dimension, so a quarter for area).

If they've got it crisp, how big a deal do feel that would be? For yourself, and for others who've been interested?

I've showed several "professional computer users", who sit behind nice monitors all day, my Quest Pro virtual screen setup. They've all said it's too blurry/font is too large/not enough screen space (which are all the same, from lack of PPD).

So, the Quest Pro is unusable to them, due to PPD. If the Vision Pro is actually retina, then that's good, but I don't think that's the only reason they wouldn't want to use it. I think comfort/bulk is a huge concern, especially since it appears to use the flesh of your face to support the weight, rather than a top strap. My Quest Pro is unusable without a top strop, for more than 30 minutes. With, I can easily do 6 hours. But still, the bulk makes me hesitantly put it on, sometimes.

Thanks - so it's a game-changer (if they've done it).

BTW I read somewhere they are adding a top strap.

I would say claim that use in open office spaces will be the real "killer app". I think being able to cut out all the distractions, and focus, will be extremely valuable to many.

For what it's worth I think of lot of guesstimates of PPD are likely a bit low. You can play games with lenses to increase it near the centre of the display where it actually matters (because your eyes don't travel that far away from straight forwards, so you can have much lower resolution in your peripheral FOV).

SimulaVR, a competitor with roughly half the number of pixels (2x2448x2448 = 11,985,408 vs 23 million), claims to go from 24.48 PPD naively calculated to 35.5 PPD near the centre of the display using this.

https://simulavr.com/blog/ppd-optics/

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