With 1.3.5 update, refraction material is broken for VR. It works in VRChat mirrors, but not if you can see yourself or if other players looks at you in VR (Desktop mode works). With 1.3.4 everything was fine.

Eye-Detail in Unity

Settings of refraction part (Cornea of eye)

How it looks in VRChat (screen/mirror in background is ok)
With 1.3.5 update, refraction material is broken for VR. It works in VRChat mirrors, but not if you can see yourself or if other players looks at you in VR (Desktop mode works). With 1.3.4 everything was fine.
Eye-Detail in Unity
Settings of refraction part (Cornea of eye)
How it looks in VRChat (screen/mirror in background is ok)