That's a pretty narrow niche. No matter how much you don't want them, there's only a few years or so when you can mostly get by without them, once the amblyopi

That's a pretty narrow niche. No matter how much you don't want them, there's only a few years or so when you can mostly get by without them, once the amblyopia has begun. My reading glasses have blue light blocking, though it wasn't a feature I was looking for and I buy them in packs of six for about $25.