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[The study on superoxide dismutase and trace element in patients with senile cataract]
1Deparment of Ophthalmology, Guangzhou First Municipal People's Hospital, Guangzhou 510180, China.
Purpose:
To investigate the relation of senile cataract with superoxide dismutase(SOD) and trace elements.
Methods:
Superoxide dismutase of red blood cells and trace elements(Cu, Zn, Ca, Fe) of serum in 61 patients with senile cataract and 121 normal persons were investigated.
Results:
The activity of superoxide dismutase in patients with senile cataract decrease dramatically in comparison with normal control, and there was no statistical difference about trace elements of Cu, Zn, Ca between senile cataract and control group. But Fe element in patients is higher than that of the normal group.
Conclusion:
The results support the hypothesis that the formation of senile cataract is capable of antioxidative scavenger system of lens decreases with age.
