Table 1.

Intake/exposure of selected trace elements and associated risk of developing cataracts.

References	Examined Factor	Likely Impact on Risk of Developing Cataracts
[12,23,29,30,31,32,33,34]	High sodium intake	↑
[33,45]	Low magnesium intake	↓
[64,65]	Low calcium intake	↑
[80]	Low iron intake	↑
[86]	High selenium intake	no evidence
[96]	Low zinc intake	↑
[105]	High lead exposure	↑