Scientists have shown that people who wear glasses, in most cases, smarter than the holders of 100% of view. Apparently, there is indeed a link between poor eyesight and a strong mind.
In total, the experiment involved 3452 volunteer. First, the subjects checked the sight, then offered to pass a test to determine the level of intelligence. The result was to prove that people with glasses have a few more points in an IQ test.
Apparently, acquisition of knowledge and vision loss processes are closely related. Usually well-read people whose activity is connected with constant self-education, a lot of time reading articles, books, typing on the computer. As a result, in school years or students, and diligent students earn their first problems with vision.