Kerrie sat down at the optometrist’s office and admitted sheepishly that this was her first eye exam in a few years. “I think I’m doing okay though, doc. I don’t have any trouble reading, but I guess it is a little harder than it used to be to see the tv screen, and sometimes when I’m driving at night, things look a little fuzzy…” The doctor nodded, asking questions as he ran through a series of lenses. “And how do you see now, Kerrie?” “Oh, this is just terrible! C...