Well that’s why I mentioned in-store testing would likely only be useful for low end lenses.
For mid range to high end lenses it would probably be impossible to confirm the actual layer count without destructive testing.
Of course it would be reputation and gut-feel-perception based for most buyers in any case.
However, for the higher end stuff, gut-feel-perception probably wouldn’t be able to tell the difference. Human eyes can’t perceive the strength of lamination between layers, for example.
So it would be entirely reputation based at the higher end.
Which probably explains why high end glasses are vastly more expensive then Warby Parker and other discount places…
For mid range to high end lenses it would probably be impossible to confirm the actual layer count without destructive testing.
Of course it would be reputation and gut-feel-perception based for most buyers in any case.
However, for the higher end stuff, gut-feel-perception probably wouldn’t be able to tell the difference. Human eyes can’t perceive the strength of lamination between layers, for example.
So it would be entirely reputation based at the higher end.
Which probably explains why high end glasses are vastly more expensive then Warby Parker and other discount places…