COMPUTERIZED VIDEOKERATOSCOPES DATA  DISPLAY

Pupil Location

Most topographers have an 
option of locating the 
position and size of the 
pupil.  This can be helpful 
in understanding the 
position of the corneal 
apex or areas of corneal 
distortion in relation to 
the center of the pupil.

The distance between the 
apex and center of the 
pupil is given.