Oculus Quest includes an IPD slider on the bottom of the headset which adjusts the distance between the lenses for ideal alignment with the user’s eyes, which is important for visual comfort and clarity. Since launch however, there’s been no way to know the actual width of the IPD setting, leaving users to mostly guess if they’ve set it correctly. In a recent update, Oculus added a digital indicator which shows the current IPD position.

Update (January 17th, 2020): A recent update to Quest has added a digital IPD indicator which makes it easier to adjust the distance between the lenses as needed for each user.

Now when you slide the IPD adjustment on the bottom of the headset, a small pop-up with an eye icon and a number shows the current IPD setting in millimeters.

On one headset we tested, the indicator ranged from 59mm to 71mm, just slightly off from the officially claimed 58mm to 72mm IPD range. Considering the indicator only reads to the nearest millimeter, we’d chalk the difference up to a margin of error from mechanical tolerances and measuring precision.

The hardware necessary for measuring the IPD position was built into Quest at launch but not active until the recent update.  As Oculus is steadily adding features to the headset with updates on a rolling basis, it isn’t clear exactly when the feature was added, but we’ve spotted it as of ‘Version’ 12.0.0.226.469.188362039.

The original article—which speculated about the feature and discussed the importance of an IPD indicator as well as how you can measure your own IPD—continues below.

Original Article (October 24th, 2019): It’s only been a few months since the launch of Quest, but the headset has already seen a range of improvements added via software updates. Passthrough+, for instance, recently rolled out, greatly improving the headset’s passthrough view with lower latency and more accurate visuals. The headset is soon to get both hand-tracking and PC tethering capabilities too. A future update is also likely to add an IPD indicator to make it easier to set the correct distance between lenses to maximize visual fidelity and comfort.

Quest IPD Indicator

At Oculus Connect last month during a Quest demo, I noticed that upon adjusting the IPD slider, a small pop-up appeared over my view which specified the current IPD width in millimeters. The readout updated as I moved the slider, allowing me to easily dial into my known IPD of 64mm.

A digital readout like this is common among other headsets which have hardware IPD adjustments, but it doesn’t yet exist in the consumer Quest. This week an Oculus spokesperson confirmed to Road to VR that the company is considering adding the feature, though they didn’t have any concrete information on when we might see it.

How do we know that this is likely to come via a software update rather than a hardware tweak? Looking at teardown photos of Quest shows that the headset’s IPD slider already includes the necessary electronics to measure its setting. This would make sense, as ideally the headset should be aware of the IPD setting so that it can adjust the rendered image accordingly (as an offset IPD can impact the sense of scale that comes from 3D visuals).

Why an IPD Indicator is Important

Though it’s possible to move Quest’s IPD slider, without a readout of the current setting, users are mostly left to guess if they’ve got the setting right since there’s really nothing to compare it to. Manually setting your IPD with no means of calibration is really difficult; even if you get close (say, within 5mm of your actual IPD), this can still notably effect visual fidelity and comfort.

SEE ALSO
Everything We Know (Officially) About the FOV and IPD of Rift S & Quest

On Quest it is possible to get a calibration screen, but it’s a clunky process and still not a particularly reliable way to get the correct IPD setting. Not having a reliable means of determining and replicating the correct setting is especially a pain when passing the headset around to others; not only is it difficult to guess where to put the setting for each user, you’ll ultimately need to dial it back in for yourself when you’re done. With a readout you could easily return the IPD to a known value.

Measuring Your IPD

Actually determining your own IPD measurement is still a clunky process in itself, and one that isn’t likely to get easier until eye-tracking hardware finds its way into more headsets. Short of asking for a precise measurement next time you visit the eye-doctor, you can also use a ruler and mirror to measure your own IPD, or ask a friend to hold a ruler close to your eyes and measure the distance between the center of each pupil.

SEE ALSO
Eye-tracking is a Game Changer for VR That Goes Far Beyond Foveated Rendering

In headsets of the future we could expect automatic IPD measurement and adjustment which would make this all much more seamless.

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  • The Bard

    Something, Steam VR offers since years.

    • benz145

      A digital readout like this is common among other headsets which have hardware IPD adjustments, but it doesn’t yet exist in the consumer Quest.

    • Brian (Suitch)

      Oculus invented it in consumer headsets, actually. Before SteamVR even came out. Just the Quest doesn’t have it yet, and it is probably for some decent reason given it is such a heavily optimized headset.

      • mellott124

        Oculus did not invent it in consumer HMDs. IPD adjustments have been around a long time. HMDs in the 90’s had them too.

        • GunnyNinja

          Name a CONSUMER HMD that had it in the 90’s…

          • Immersive Computing

            Not a consumer headset (though it was possible to purchase) but for consumer use was “Virtuality”. Had motorized IPD adjustment and independent lens focus.

            This was in 1991, and damn it was good!

            https://uploads.disquscdn.com/images/a134a5bc4317987a21ceae20df29495ef484e6862dad7828d41b9f37262a173d.jpg

          • GunnyNinja

            That’s like saying airliners are for consumer use. Don’t move the goalposts…

          • Immersive Computing

            That’s a fair point. However it shows the technology is nothing new, it comes down to price…

          • mellott124

            Forte VFX1, probably one of the most famous consumer HMDs of the 90’s, had IPD. Company is now called Vuzix.

          • Andrew Jakobs

            And even though it was a bulky headset, it was a good headset in comfort and easy adjustment.. But you’re the expert on it, as you’ve written a lot about it on your old VR-website..

          • Andrew Jakobs

            Forte VFX-1… which had both IPD adjustment as per eye focus adjustment (ok, nowhere near the FOV as later headsets,but that was the state for the consumer 90’s and cheaper professional headsets.

          • Nicholas

            HMZ-T1

  • Immersive Computing

    Here’s the crazy thing about VR equipment – “Virtuality” had automatic IPD and depth of focus adjustment in their consumer arcade gaming headset, 1991

    • Ahahahah really??

      • Immersive Computing

        Yeah they were so far ahead. The founder now runs Digilens in California.

    • Jistuce

      We must all make sacrifices in the name of being sleek black boxes with no visible technical details(other than making a big deal out of the shape of a charger port) or mechanical noises.

      • Lynwood

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  • David Quinn

    Is this really news-worthy?
    You seem to be running out of things to report at this point.

    • Cl

      I think so. Got my quest a couple weeks ago and i was wondering why this isnt a thing. Vive does it and its helpful.

    • benz145

      This was a ‘News Bits’ piece which are smaller things that we still think are worth highlighting.

      • David Quinn

        I think the issue is it still appears on the same place on the main page as everything else.

    • GunnyNinja

      People are here reading it, which makes it newsworthy. You are the only one to read it and then question why you read it…

    • impurekind

      I think the answers is yes it is.

  • Cool to know!

  • Ardra Diva

    maybe my IPD is in the sweet spot because it doesn’t seem an issue for me. But what I really want to see is independent focus for each lens like binoculars have. That seems way more important to me, shrug.

  • Ronny Neumann

    yep, this feature was added at the end of november :) its really great if you use your quest to convert new people into VR if you use it combined with an app like EyeMeasure on the apple app store :)

  • impurekind

    Well the Quest is definitely getting better all the time.

    Now, release version with a much more comfortable faceplate and the Link cable included in the box (for the same price)….

    • NooYawker

      I can’t imagine that happening. I doubt they make a profit off the hardware as it stands now. $400 is very low priced.

  • Juan Ritz

    It’s actually been a bit of an annoyance, as the indicator pops up whenever I make fast head movements in Thrill of the Fight.

    • sfmike

      I’m having the same problem as the indicator pops up at strange times regardless of what I’m doing.

      • Mateusz Pawluczuk

        I had similar problem on my OG Vive. Also indicator seems to someimes change its readings even if I didn’t physically move the slider.

        Still better than nothing.

  • Vegeta2988

    Still not buying one. I don’t see Mobile VR headsets being useful for much other than viewing what other people are doing in VR kind of like the ones in Ready Player One. Small portable, useful for checking out VR content but not gaming.

    • ComfyWolf

      Have you even used one? The Quest feels nothing like trying to game on the usual mobile phone headsets, games are actually worth playing. Of course there are some downsides, but the downsides are minimal.