ALCON HAND HELD AUTO-KERATOMETER

Controls


The hand unit, as seen from the examinerís 
side, has a display window and a number of 
buttons which control the functions of the unit.

The top, left button is the scroll button.  
When this button is repeatedly pushed 
it toggles through the various different 
setting for the instrument.  Use the select 
button to change the settings.  With this 
you can:

1. Set it to  read base curve (dioptric 
and radii) or sphere/cylinder which 
gives the sphere and cylinder as well 
as delta K for the corneal toricity.