> I've used this scheme to also acquire a set of weakened glasses Yes, if you're over 40 and short-sighted, consider doing this. An optician recommended this t

> I've used this scheme to also acquire a set of weakened glasses Yes, if you're over 40 and short-sighted, consider doing this. An optician recommended this to me a few years ago, and since then I always have a second pair of glasses which are 0.5 weaker. If you're buying from Zenni, then 'Blokz' is a good addition for computer glasses, as long as you're not a graphic designer.