Table 1 Clinical characteristics and the parameters of optical quality between the two groups at baseline

Eyes (n)

26

26

Age (years)

58.65 ± 10.32

61.65 ± 7.98

0.246

Male:female

9:17

13:13

OSI (OSI value)

4.88 ± 3.18

6.22 ± 4.41

0.346

MTF cut-off (c/deg)

16.52 ± 9.23

13.81 ± 10.38

0.229

Strehl ratio

0.12 ± 0.04

0.11 ± 0.03

0.314

pterygium diameter

4.33 ± 1.32

4.50 ± 1.16

0.706

OSDI

21.74 ± 13.67

22.41 ± 10.68

0.491