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. Author manuscript; available in PMC: 2007 Nov 1.
Published in final edited form as: J Cataract Refract Surg. 2006 Nov;32(11):1843–1850. doi: 10.1016/j.jcrs.2006.04.046

Table 1.

Repeatability of corneal power measurements (17 patients, 32 eyes).

Preop Corneal Power (D)
 Postop Corneal Power (D)
Measurement and Method Mean Repeatability Mean Repeatability
Keratometric
  SimK 43.85 0.19 40.95 0.24
  Central K 43.99 0.22 40.96 0.25
Anterior
  OCT only 51.66 0.79 47.84 0.73
  Topography 49.00 0.24 45.63 0.28
Posterior
  OCT only 6.56 0.10 6.49 0.087
  OCT + topography 6.29 0.068 6.27 0.079
Total
  OCT only 45.11 0.71 41.35 0.66
  OCT + topography 42.72 0.24 39.36 0.26

OCT = optical coherence tomography; SimK = simulated keratometry