"as far as the eye can see; As far as the financing is concerned, there will be no problems.; As far as the choice makes any difference, I prefer the second option.; I'll help you as far as I can."
2.ConjunctionUsed without any completion, usually to imply "to the degree or extent that ... is/are concerned".
"As far as the policies and procedures under which these companies operate, we keep a very close eye on that."
3.PrepositionUsed other than figuratively or idiomatically: see as, far, as.