in sight vs visual

in sight

prep
  • Near or close in either distance or time. 

  • In a place where something can be seen. 

visual

noun
  • All the visual elements of a multimedia presentation or entertainment, usually in contrast with normal text or audio. 

  • Any element of something that depends on sight. 

  • An image; a picture; a graphic. 

  • A preliminary sketch. 

adj
  • Related to or affecting the vision. 

How often have the words in sight and visual occurred in a corpus of books? (source: Google Ngram Viewer )