So I bought two boxes of contact lenses, I am using one box and I saw on the box its written, BC = 8.7.
And the other one box its written BC= 8.6
Is there a difference? Will I feel ok if I wore the 8.6 BC? Or what?
I am new to contacts so thank YOU?
Added (1). Can I switch between them too?
См. статью: What's a BC in Contact lenses!