Yes! It has a highly toxic chemical in it called Argonoxide which can cause the inner retina to dry and become useless. This retina allows you to percieve crude images. Without it, light particles can not enter the pupil.
No, nor can it permanently blind you.
If the blind man doesn't have the power of the force, then Mace. If the blind man were a sith or jedi... well, then it comes down to experience and strength. If the blind man is a miraluka like Visas Marr, then I gotta give it to the miraluka. They are born with full sensitivity to the force and thus have an extra instinct that Windu couldn't possibly have.
Cell Phone, Money, Mace, Friend, Own Transportation
Patsy Mace's birth name is Patricia Mace.
Fred Mace's birth name is Mace, Frederick.
Krishna's mace was named Kaumodaki.
Jason Mace's birth name is Jason Richard Mace.
Paul Mace's birth name is Paul Nicholas Mace.
Raymond Mace's birth name is Raymond Arthur Mace.
Mace Matiosian's birth name is Mace J. Matiosian.
Warren Mace's birth name is Warren Kenneth Mace Jr..
James Mace was born in 1952.