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Table 2 Pearson correlation coefficient (C) between the Auto K and Sim K measurements for both gonioscopes.

From: The effect of Gonioscopy on keratometry and corneal surface topography

 

Time

C*

Goldmann

PreGonio

0.789

 

<5 mins

0.481

 

5–15 mins

0.619

 

20–25 mins

0.611

Sussman

PreGonio

0.817

 

<5 mins

0.538

 

5–15 mins

0.636

 

20–25 mins

0.740

  1. * Correlation is significant at the 0.01 level; mins – minutes