When keratometric measurements do not accurately reflect corneal topography.

@article{Sanders1993WhenKM,
  title={When keratometric measurements do not accurately reflect corneal topography.},
  author={Donald R. Sanders and James P. Gills and Robert Glen Martin},
  journal={Journal of cataract and refractive surgery},
  year={1993},
  volume={19 Suppl},
  pages={
          131-5
        }
}
The keratometer has been the standard for measuring corneal curvature for decades and until recently seemed sufficient for most clinical situations. However, it measures only four points from a small region of the cornea and assumes that the cornea is symmetrical. We document with a number of examples a variety of clinical cases in which keratometry provides either incomplete or frankly misleading information. We believe that corneal topography is now an invaluable clinical tool and will… CONTINUE READING