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With contact lens what does the power of them mean?
Like when it says 0.00 lens, does that mean there is no vision change in the lens?
Best Answer - Chosen by Asker: yes, 0.00 means there is no vision change.
short-sighted eyes have a negative sign and then a number (anywhere between 0.25 and about 10!) and long-sighted have a positive sign and a number.