[SSLy]

there are already small companies selling after-market prescription lenses for VR in EU https://www.vr-wave.store/

[kalleboo]

Checking their Terms of Service it starts with "Our place of business is Hong Kong, i.e., Hong Kong jurisdiction applies", which means they can just completely ignore any EU law about optometry, a luxury Apple doesn't have

[SSLy]

here's a German company instead

https://vroptician.com/