Table 1. Demographic information and baseline data (mean±SE) of young and middle-aged participants.

Parameters	Young adults (18-35y, n = 40)	Middle-aged adults (40-55y, n = 40)	p-value
Age (y)	23.9±0.43	47.15±0.72	<0.001
Refractive error
Spherical power	−2.71±0.28	−2.44±0.34	0.55
Cylindrical power	0.63±0.10	0.55±0.08	0.53
Total error score	32.40±3.22	79.80±7.14	<0.001
log contrast sensitivity score
without glare	1.78±0.01	1.73±0.02	0.03
with glare	1.66±0.03	1.50±0.03	0.001