Table 2

Factor analysis of the CSS

		Factor I	Factor II	Factor III
		Sight related mobility	Recognition and perception	Hand eye coordination
Getting off the pavement	0.82
Going down stairs	0.75
Crossing the road	0.69
Reading small print		0.83
Reading books and newspapers		0.80
Seeing television subtitles/teletext		0.72
Seeing the numbers on a bus		0.63
Bright light behind to read		0.61
Recognising someone across the street		0.57
Watching television		0.55
Hot drinks			0.79
Seeing to write			0.51