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Table 4 Comparison of corneal elevation parameters between control and blepharospasm

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

  Control Blepharoptosis
Mild Moderate Severe
Elev front apex (μm) 1.48 ± 1.43 1.17 ± 1.12 1.10 ± 1.59 1.87 ± 1.77
Elev front thinnest (μm) 1.05 ± 2.56 0.42 ± 1.44 1.10 ± 1.59 1.40 ± 2.13
Elev front max 4.0 mm (μm) 4.74 ± 2.99 3.08 ± 0.79 3.90 ± 2.12 4.47 ± 2.50
Front BFS (mm) 7.82 ± 0.24 7.62 ± 0.16* 7.62 ± 0.31** 7.58 ± 0.12**
Elev back apex (μm) 2.68 ± 2.52 3.25 ± 4.73 1.90 ± 2.53 2.87 ± 2.56
Elev back thinnest (μm) 5.08 ± 3.50 4.67 ± 4.29 4.70 ± 3.37 5.40 ± 4.31
Elev back max 4.0 mm (μm) 9.90 ± 4.30 9.25 ± 3.93 9.00 ± 4.11 8.47 ± 4.45
Back BFS (mm) 6.45 ± 0.39 6.41 ± 0.12 6.29 ± 0.30 6.26 ± 0.12
  1. BFS = diameter of best fit sphere in 8.0-mm area; Elev = elevated; Max = maximum; mm = millimeter; μm = micrometer
  2. Data are mean standard deviation unless otherwise indicated
  3. *P < 0.05, **P < 0.01, versus controls