KERATOMETER READINGS

The keratometer readings (central corneal curvature) are important to determine:

-the amount of corneal toricity

-if a rigid lens will correct the astigmatic   
   error or if there will be any residual  
   astigmatism.

-the base curve of the first diagnostic 
    lens (especially rigid lenses)

-if there is any induced change in 
    the corneal curvature due to the 
    wearing of the contact lenses (for 
    comparison at later visits)