I had something similar happen to a set of OEM PB1 lenses overnight, but doesn't look like the same kind of delamination that the OP's lenses had. Recently got them with a PB1 Matte that I bought, they were wearable, not perfect, maybe 7/10, and totally clean when wearing. Last Thursday they were fine, and Friday morning, see pics below to what happened on the inside. What's weird is that when I put them on, I can't notice anything wrong.
Has anyone seen this happen? How or why does this happen?
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Dang, that’s sucks, sir.