How come you can buy reading glasses for a few bucks at pharmacies or Wal-Mart, but they don’t make them for being able to see farther away?

Question

Is the lens grinding process more complicated or is there just too much variation in eyesight to make them feasible on a mass scale?

In: Other

Answer 1

there’s a reason you don’t need a prescription for them. they aren’t really corrective lenses. they don’t really “work” exactly. They’re just cheap and easy and if you just need text a foot from your face to be a little bigger they at least do that.