Table 2.

NEI-VFQ-39 subscale scores according to the groups (p < 0.05).

NEI-VFQ-39 scales	Keratoconus group	Control group	p value
General health	85.0 ± 12.5	90.0 ± 19.1	0.059
General vision	69.6 ± 16.5	90.0 ± 19.1	0.004
Ocular pain	66.5 ± 22.2	73.5 ± 17.8	0.29
Near vision	77.3 ± 14.4	96.5 ± 6.6	0.001
Distance vision	72.3 ± 18.2	86.7 ± 14.6	0.003
Social functioning	80.7 ± 20.8	91.0 ± 12.5	0.04
Mental health	56.4 ± 22.6	74.6 ± 25.5	0.006
Role difficulties	58.5 ± 30.3	72.5 ± 32.1	0.066
Dependency	80.0 ± 22.0	83.0 ± 28.5	0.16
Color vision	96.0 ± 11.8	100.0 ± 0.0	0.077
Peripheral vision	92.0 ± 13.9	97.0 ± 15.0	0.03
Overall composite score	75.84 ± 18.6	86.8 ± 17.3	0.0

The p-value were significant for these values.