Horopter

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Horopter \Ho*rop"ter\, n. [Gr. ? boundary + ? one who looks.]
     (Opt.)
     The line or surface in which are situated all the points
     which are seen single while the point of sight, or the
     adjustment of the eyes, remains unchanged.
     [1913 Webster]


  
           The sum of all the points which are seen single, while
           the point of sight remains unchanged, is called the
           horopter.                                --J. Le Conte.
     [1913 Webster]