•Women’s Health Initiative study in US
Supplement
use and cataract formation
Multivitamins RR
1.09 [95% CI: 0.94, 1.25]
Vitamin C
alone RR
1.38 [95% CI: 1.12, 1.69]
+ HRT RR 1.56 [95% CI: 1.20, 2.02]
+ Corticosteroids RR
1.97 [95% CI: 1.35, 2.88]
Rautiainen S
et al AJCN 2010; 91:487-493
•
•Male US Physicians
11,545 >50 yrs:
vitamin C 500 mg/day
and or vitamin E 400 IU/alt. days
Vitamin E RR 0.99 [95% CI: 0.88, 1.11]
Vitamin C RR 1.02 [95% CI: 0.91, 1.14]
Christen WG
et al Arch Ophthalmol 2010;128:1397-405