Table 2.

NEI-VFQ-25 subscale scores according to the groups (*P < 0.05; **P < 0.001).

NEI-VFQ-25 scales	Keratoconus group	Control group	P
General health	65.0 ± 20.6	79.7 ± 15.8	0.030*
General vision	60.2 ± 24.4	89.7 ± 10.3	0.001**
Ocular pain	54.0 ± 23.8	78.8 ± 17.9	0.002*
Near vision	76.0 ± 23.0	93.5 ± 13.6	0.014**
Distance vision	84.0 ± 18.0	94.7 ± 8.7	0.80
Social functioning	85.0 ± 24.0	98.8 ± 4.8	0.069
Mental health	67.0 ± 27.8	98.8 ± 4.8	0.00**
Role difficulties	77.2 ± 26.4	96.4 ± 7.8	0.014*
Dependency	84.7 ± 26.4	96.4 ± 7.8	0.379
Color vision	91.0 ± 17.0	97.6 ± 6.6	0.424
Peripheral vision	80.7 ± 17.4	94.1 ± 9.3	0.020*
Overall composite score	75.2 ± 17.2	93.2 ± 5.6	0.00**