eye-apple vs visual

eye-apple

noun
  • The eyeball or pupil 

  • Synonym of apple of one's eye 

visual

noun
  • Any element of something that depends on sight. 

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

  • An image; a picture; a graphic. 

  • A preliminary sketch. 

adj
  • Related to or affecting the vision. 

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