i don.t know much about this subject but i believe that
they help for energy to burn off after the glucose runs out(which burns of quickly in these types of training)
hope this is helpful<span />
Answer:
I suggest getting glasses or contacts.
Explanation:
You may not have 20/20 vision. Wearing lots of eye makeup that comes in contact with your eyes is also another con.
You should probably check if you are nearsighted or farsighted
Yes, they can keep you on the bench.