You dont have binocular vision if you need prism in your eyeglasses, and prism is rare, certainly not “most prescription”. what you are seeing out of each eye are aligned but your eyes are still not aligned with prism and you should know it, and this is why eye tracking won’t work. Dont blame your own problem on others and your lack of understanding. It’s like you need a cane to walk and try to buy a bike, and then you find it insulting when they said don’t recommend it like as if you are completely crippled. Get over it and rather educate yourself.Most of those are in the same general category of any other VR headset, or really most things with screens--if you suffer from migraines, having screens and graphics filling your entire field of vision may exacerbate or trigger them; if you have balance problems, VR is probably going to make you more unstable while you're wearing it; if you're prone to seizures, flashing lights in the display might trigger them; all very standard stuff.
Real problems if you have those conditions, but nothing the least bit surprising, and for most of us who suffer from one of those ailments (migraines in my case) you pretty much know what to expect going in. I'm certainly not putting a VR or AR headset on when I'm trying to shake a migraine, but then I'm also not looking at my phone or computer screen, because those make it worse too.
The one that is more broadly applicable is the "binocular vision conditions" item, which is linked to this separate support page. That page lists the limits to the strength of reading glasses inserts Zeiss will make for it, tells you what kinds of contacts will and probably won't work, and provides a link to a Zeiss page where you can punch in your glasses prescription and see if they will make inserts for you.
If you have an unusual prescription in some way, it's certainly worth punching it in there to see whether it's supported.
There might be extreme prescriptions for very severe nearsightedness that they won't or can't do, but the big one (for me and my SO at least) is prism; Zeiss won't make inserts, period, if you have any prism in your prescription, so you can't use the Vision Pro, period.
Every other condition is a "be careful about this and maybe talk to your doctor," but ultimately up to the user; having any prism correction in your glasses is a "You cannot use this device, and we won't even sell it to you." deal-breaker.
There may be a very good optical reason why it's not technically possible for eye tracking to work with prism, it may be a case of getting it to most people now and dealing with the outliers in some future iteration, or it may just be Zeiss or Apple saying "Eh, we can sell as many as we can make anyway, file them in the same category of 'this is not for you' as blind people." Whatever the reason, I'm bummed about not being able to even test drive one, let alone buy it.
But I'm more annoyed that Apple didn't just come out and say that in the fine print somewhere before preorders started, so I didn't get up at 5am to find out something they already knew and had hidden behind "most prescriptions are supported." Keeping the "surprise" of pricing details, options, and accessories hidden until pre-order launch is one thing; having the surprise be that you can't buy it because of your prescription when they could have just said "prescriptions with prism are not supported," that's kind of insulting.
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