after receiving my 5k+ and testing for a few days i don’t get what people say about “eye strain” the thing is not hurting my eye’s (muscles) its my brain that protests, down to my stomach
I’ve tried all whats written here, normal ipd, lower ipd, no foam with tilting/shifting, thicker foam, …
even different pitools and firmware versions
just the steam vr home is enough, i only need to move my head to know something is wrong (and there is also distortions on the sides and objects just hopping into view on the right eye, in the lab that extends to both sides - also annoying as the brain is trained to spot movement and having movement all the time on both sides in peripheral vision is not good)
i never had any vr sickness problems with the vive, even the gear vr mod was ok but the pimax 5k+ does it - i’m done with that thing for a while until they find out whats wrong with it
when i read what risa2000 writes and Doc_ok’s comments about possible problems i’m not so sure if pimax did things right
i know that angled displays ar’nt the problem, i used the star vr "pre" hmd in a vr arcade in tokyo 5 times and had no problems like this
my suggestion for people on the fence to buy a pimax - make sure you by from a retailer with a money back guarantee, you might need it
SteamVR Home has known issues with peripheral objects popping into view, as well as some other games. If trying different IPD and foam distances did not solve the distortion/warping, you may have a faulty headset. I know of some people who had warping/distortion issues that RMA’d their Pimax, and their new one worked perfect.
Maybe its the wide FOV you need to get used to.
In VR games, theres usually the “FOV shrink while moving” option enabled by default, just for the people who are new or sensitive to VR so they dont get sick. Maybe what you’re encountering is the same thing.
“You can calculate Near PD for reading glasses by subtracting 3mm from your distance PD. For example, if your distance PD is 63mm, then your near PD is 60mm.”
Wow I noticed that I liked 66 IPD even though I’m 69 measured… and this is all before the near IPD talk…I just figured the settings were wrong or the extra face cushion changed things.
The “IPD talk” has some truth in it - in particular the fact that people observe “less strain” or “clearer image” when they set their headset to lower IPD than they actually have. This can be explained by the way the headset is designed (https://community.openmr.ai/t/clarifying-near-ipd-x-distant-ipd-confusion/14809).
On the other hand, attributing this effect to the “Near IPD vs Normal IPD discrepancy” is wrong, because there is no direct analogy between how the reading (and reading IPD) works and how Pimax with its canted panels works. The resemblance of both in that one prefers to use lower IPD (than the real one) is a rather the coincidence than the correlation.
If my infinite IPD is 58mm, then my near IPD becomes 55mm. I think I’m screwed because I need a headset made for Leprechauns. However, I’ve tried moving a single eye along the whole length of a lens and can only obtain maximum focus through the optical axis of the bulbous bit of the lens, which seems to confirm what is being discussed here. So if I look at something sideways to get perfect focus for a single eye, the other eye starts telling my brain something is wrong as its sharpness does not match. Is that what’s causing eyestrain.
So what’s going on with those that don’t get eyestrain?
Maybe try a cheap pair of low strength +.5 or +.75 reading glasses with one lens removed , I found a company in manchester selling seconds with possible scratches for £2-3 a pair and have bought most all possibilities , I can buy some new ones when I find the best fit for me
i dint think its the wider fov or anything like that
never had problems removing all the safetys in google earth vr (like lowering fov when moving) also from using the star vr i can asume that the wider fov is not the main cause, but i can’t be sure if the compressed edges (even in normal fov mode) are a problem for me
there is also kind of black in some condition slightly distorted area in the middle that i could not get rid of with any ipd or cover, kind of as the overlap does not match
sure tested, i’m reading here for a while and following a lot of threads about the paddind and ipd problems, lowering the idp was the first thing i’ve tried
one of the problems is that even pimax does not say whats the “offical” or intendet way of using it, what was the base of the calculations that are done to give a correct picture
are you supposed to use the normal ipd and change padding?
when changing ipd there might be a good chance of a clear picture but also you might mess up the distorsion and 3d calcualtion of the picture
I guess I’m not going to be able to use the 5k+ long term. My IPD is 59 which means I can’t set near PD as the adjustment won’t go as low as Pimax advertised.
The problem is I can’t sell it either because the cable is faulty and I’m still waiting for a replacement.
Technically, you do not need to set “near IPD”. Practically, putting the headset further from the face (=your eyes) can compensate for the shorter IPD. Have you tried some thicker cushion?
My IPD is 63. For me, with the stock thick foam I can see both lens with one eye closed, which stress my eyes because I can always notice the gap between the lens. Using a 6mm foam solves the issue, with the lens as close as possible to my eyes I no longer see double images with each eye.
Edited: That gap is still noticeable but it is more like the nose gap IRL now.
Try whatever suits you, because there is no rule of thumb with this headset.