ALCON HAND HELD AUTO-KERATOMETER

Print out

The following information is given on the print out:


K1  -Dioptric value of the meridian 
        closest to 180 and the axis
K2  -Dioptric value of the meridian 
       closest to 90 and the axis
Delta K -difference in two readings 
               and axis 
               (corneal astigmatism)
Reference -Ground means the 
                    readings were taken 
                    with the patient upright
                  -Handle means the handle 
                    was tilted more than 15 degrees from vertical and      
                    corrected for or the instrument was manually set to   
                    correct for any tilt.
Base 1 and Base 2 -conversion of the dioptric values to millimeters of radius.