crystal-gazing vs farsightedness

crystal-gazing

noun
  • The making of predictions about the future, especially when these are seen as very speculative. 

  • The action or practice of gazing into a crystal ball in the hope or belief of seeing the future. 

farsightedness

noun
  • The quality of being considerate about what might happen in the future. 

  • The condition of being unable to focus on near objects; presbyopia. 

How often have the words crystal-gazing and farsightedness occurred in a corpus of books? (source: Google Ngram Viewer )