Earlier quoted context omitted.
A gimmick account dedicated to lead advocacy. Interesting. Could you source any scientific papers (or even a schizo blog post!) we could read through? Because your Venezuelan eyesight anecdote is not very convincing.
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"Conclusion: Lead poison has a great effect on vision and eye health of the workers, its lead to decrease of vision result in development amblyopia, it also has influence on ocular media and causes severe allergic reaction Thus, all the workers in this field should wear the protection tools provided in the factory, and there is a critical need for examining their ocular health annually."