Table 1.

LogMAR visual acuity and contrast sensitivity in the cases and controls

Variable	Controls (n = 226) mean ± SD	Cases (n = 382) mean ± SD	t	p
LogMAR visual acuity	0.187 ± 0.232	0.340 ± 0.222	8.4	<0.001
Contrast sensitivity	1.428 ± 0.271	1.10 ± 0.276	12.9	<0.001