Table 1.

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

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

RMS = Root Mean Square; ICU = Interferometric Coloric Units; OSI = Ocular Scatter Index; TBUT = Tear film break up time

n: sample size

*indicates a statistically significant difference between the two groups. A p-value <0.05 was considered statistical significant