Actually I have pretty bad eyesight, so I wear glasses all the time. But maybe that is the key, maybe it's more of a problem for people who have very slight nea

Actually I have pretty bad eyesight, so I wear glasses all the time. But maybe that is the key, maybe it's more of a problem for people who have very slight near- or far-sightedness so they don't wear glasses etc., but the really fine detail is hard to see.