No, we didn’t make it up

• German researchers linked high
  levels of education with
  nearsightedness, also known
  as myopia.

• A study in Holland concluded that
  the nearsighted gene is intricately
  connected to intelligence.

• Smarter people tend to read
  more, thus placing more strain on
  their eyes - often resulting in
  myopia.

• Australian researchers conducted
  a study on twins and found a
  correlation between needing
  glasses and higher IQ.