Table 3

Loadings for each item with the single factoridentified in factor analysis

Reading	0.70
Seeing in the distance	0.67
Recognising faces across the street	0.72
Watching TV	0.72
Seeing in bright light/glare	0.61
Seeing in poor (dim) light	0.69
Appreciating colours	0.30
Driving a car, by day	0.80
Driving a car, by night	0.60
Walking inside	0.66
Walking outside	0.75
Using steps	0.69
Crossing the road	0.84
Using public transport	0.83
Travelling independently	0.81
Moving in unfamiliar surroundings	0.80
Employment/housework activities	0.68
Hobbies/leisure activities	0.62