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Table 3 Comparison of corneal topometric indices between control and blepharospasm

From: Evaluation of Scheimpflug imaging parameters in blepharospasm and normal eyes

 

Control

Blepharospasm

Mild

Moderate

Severe

Index of surface variance

20.9 ± 13.4

20.83 ± 11.5

18.1 ± 5.26

29.67 ± 11.7*

Index of vertical asymmetry

0.16 ± 0.10

0.16 ± 0.05

0.15 ± 0.06

0.23 ± 0.09*

Keratoconus index

1.02 ± 0.03

1.02 ± 0.02

1.02 ± 0.03

1.04 ± 0.03

Central keratoconus index

1.002 ± 0.01

1.01 ± 0.01

1.001 ± 0.01

1.007 ± 0.01

Index of height asymmetry

6.13 ± 4.69

7.07 ± 5.28

6.05 ± 5.58

9.46 ± 8.42

Index of height decentration

0.01 ± 0.01

0.01 ± 0.01

0.01 ± 0.01

0.02 ± 0.01

Radii minimum

7.63 ± 0.64

7.32 ± 0.15

7.31 ± 0.37*

7.18 ± 0.20**

  1. Data are mean standard deviation unless otherwise indicated
  2. *P < 0.05, ** P < 0.01, versus controls