A person who has fine eyesight but wears glasses with proper lenses because if makes them "smart".
Say an idiot with fine eyesight put on proper glasses, he would become a smart.
Synonyms for a smart
On this page, you will find 30 slang terms related to a smart. Some of the top words include: Brainiac, faqboy, moron, jughead, Blert, and 25 more.