Table 3. Descriptive statistics of NEI-VFQ-25 and its subscales (n = 429).

NEI-VFQ-25: National Eye Institute Visual Functioning Questionnaire-25; VFQ: Visual Functioning Questionnaire.

VFQ subscale	Median ± SD
General health	73.5 ± 26.9
General vision	77.1 ± 22.9
Ocular pain	55.8 ± 21.9
Near activities	58.7 ± 24.9
Distance activities	55.2 ± 25.6
Vision specific
Social functioning	65.2 ± 27.6
Mental health	44.7 ± 27.9
Role difficulties	52.8 ± 28.8
Dependency	56.1 ± 29.5
Driving	60.4 ± 23.1
Color vision	82.5 ± 24.7
Peripheral vision	53.9 ± 27.8
Overall score	58.6 ± 18.0