what are the benefits of inverse lenses on sunglasses?

Question

I keep getting ads for sunglasses with inverse lenses (curving inwards instead of outwards). The marketing is not very clear about the benefits, if any.

In: 0

Answer 1

This is the first I’ve heard of it, so I looked up “sunglasses with inverted lenses” and found that Ray-Ban has started making some glasses like this.

As far as I can tell, at least on Ray-Ban’s part, it’s a purely aesthetic choice.

I.e.:

Prescription lense either have a roughly 👁️`)(` shape or a 👁️`()` shape for vision correction… and nonprescription sunglasses tend to have either 👁️`||` or 👁️`))` shaped lenses which don’t bestow any correction… whereas these new sunglasses have a 👁️`((` shape to create an interesting new style – again, with no correction.