5He J, Gu D, Wu X, et al . Major causes of death among men and women in China. N Engl J Med 2005 ;353 ( 11 ) : 1124-1134.
6Younan C, Mitchell P, Cumming R, et al. Cardiovascular disease, vascular risk factors and the incidence of cataract and cataract surgery: the Blue Mountains Eye Study. Ophthalmic Epidemiol 2003 ;10(4) :227-240.
7Negahban K, Chern K. Cataracts associated with systemic disorders and syndromes. Curr Opin Ophthalmol 2002 ; 13 ( 6 ) :419-422.
8Ram J, Pandav SS, Ram B, et al. Systemic diseases in age related cataract patients. Int Ophthalmol 1994 ; 18 ( 3 ) : 121 - 125.
