If one keeps doing, As one continues to, While doing
This expression indicates that if the subject continues or maintains the action or state of affairs described in the preceding clause, then the situation or state of affairs described in the following clause will occur. It only attaches to verbs.
While this expression can be replaced with -다(가) 보면 with no major change in meaning, -노라면 has a little more old-fashioned nuance compared to -다(가) 보면.