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

You can very easily buy disposable contact lenses for far sight, so there’s nothing too special about them.

The market for short sightedness is bigger (almost everyone over 45 yo) and since it appears with age, both eyes have the same graduation or very close.