Ocular Surface Disease Index and Ocular Thermography in Keratoconus Patients

Table 2

Ocular Surface Disease Index (OSDI) score and subscores, ocular surface temperature (OST), and corneal thickness at different regions.

OSDI

VR OSDI subscore

DR OSDI subscore

Central OST

Superior OST

Inferior OST

Nasal OST

Temporal OST

Conjunctival OST

CCT

Pachymetry at the pupil

Pachymetry at the apex

Keratoconus

31.5 ± 22.0

17.7 ± 14.6

14.3 ± 10.7

34.3 ± 0.6

34.2 ± 0.6

34.2 ± 0.7

34.2 ± 0.6

34.2 ± 0.6

34.5 ± 1,0

475.0 ± 50.4

489.6 ± 45.5

480.1 ± 51.5

Control

17.5 ± 17.5

10.5 ± 13.2

9.4 ± 10.5

34.3 ± 0.7

34.2 ± 0.7

34.7 ± 0.6

34.2 ± 0.7

34.2 ± 0.6

34.6 ± 0.8

529.1 ± 35.2

545.6 ± 30.8

546.8 ± 30.7

value

<0.001

<0.001

<0.001

0.414

0.273

0.221

0.361

0.283

0.283

<0.001

<0.001

<0.001

Data are given as mean ± SD. CCT, central corneal thickness; VR, vision-related, DR, discomfort-related.