Something that i havent seen here i that there are dofferent types of glasses. Iirc they use concave lenses for farsightedness and convex for short sightedness. You cant focus light with a convex lens. I could have this backwards or totally wrong, someone please let me know.
Something that i havent seen here i that there are dofferent types of glasses. Iirc they use concave lenses for farsightedness and convex for short sightedness. You cant focus light with a convex lens. I could have this backwards or totally wrong, someone please let me know.