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Table 1 Aberrations (in microns) and dry eye evaluation data in eyes of migraine patients (Group 1) and controls (Group 2)

From: The impact of dysfunctional tear films and optical aberrations on chronic migraine

Parameter

Group 1

(Mean ± SD)

(N = 60)

Group 2

(Mean ± SD)

(N = 60)

P value

Total aberrations (RMS)

1.01 ± 0.34

1.20 ± 0.66

0.049*

Higher order aberrations (RMS)

0.38 ± 012

0.47 ± 0.03

0.009*

Coma (RMS)

0.20 ± 0.11

0.25 ± 0.13

0.030*

Trefoil (RMS)

0.23 ± 0.13

0.26 ± 0.16

0.260

Spherical aberration (RMS)

0.10 ± 0.06

0.16 ± 0.20

0.018*

Lipiview ICU

69.76 ± 5.20

63.18 ± 2.67

<0.001*

OSI

0.921 ± 0.14

1.26 ± 0.02

<0.001*

TBUT (seconds)

9.66 ± 1.51

9.41 ± 1.71

0.398

  1. RMS = Root Mean Square; ICU = Interferometric Coloric Units; OSI = Ocular Scatter Index; TBUT = Tear film break up time
  2. n: sample size
  3. *indicates a statistically significant difference between the two groups. A p-value <0.05 was considered statistical significant