Table 3 Comparison of Ocular Pain Assessment Survey results between the central-dominant and peripheral-dominant sensitization groups

 Pain severity (0–60)

36.71 ± 11.48

25.06 ± 11.21

< 0.001

 Pain other than the eyes (0–10)

6.12 ± 3.12

3.81 ± 2.90

0.04

 Time spent thinking about non-eye pain (0–1)

0.56 ± 0.35

0.27 ± 0.26

0.01

 Reading

7.50 ± 1.73

5.33 ± 3.08

0.25

 Driving

6.83 ± 2.17

4.43 ± 3.31

0.11

 Walking

4.31 ± 3.68

3.00 ± 2.08

0.27

 Mood

6.23 ± 2.98

3.57 ± 3.41

0.11

 Sleep

3.23 ± 3.06

3.71 ± 3.87

0.36

 Social activity

5.69 ± 2.78

2.71 ± 3.04

0.20

 Mechanical stimuli

0.53 ± 0.32

0.47 ± 0.39

0.35

 Chemical stimuli

0.55 ± 0.37

0.36 ± 0.34

0.85

 Redness

0.28 ± 0.22

0.44 ± 0.45

0.84

 Burning sensation

0.73 ± 0.34

0.43 ± 0.32

0.01

 Photophobia

0.72 ± 0.23

0.43 ± 0.39

0.59

 Tearing

0.67 ± 0.33

0.27 ± 0.29

0.74