1. A method for accurately positioning an onscreen cursor for purposes of performing a measurement on an image, said method comprising the steps of: placing a probe in relation to an object of interest; displaying at least one image of said object of interest as captured by an optical system of said probe; displaying a first measurement cursor overlay on said at least one image of said object of interest; displaying a first magnified view of a first portion of said at least one image of said object of interest concurrently with said at least one image of said object of interest, said first magnified view including a predetermined area surrounding said first measurement cursor overlay and a first magnified view measurement cursor overlay displayed at a position on said object of interest corresponding to the position of said first measurement cursor overlay on said object of interest, wherein said first magnified view does not obstruct said first measurement cursor overlay; placing said first magnified view measurement cursor overlay within said first magnified view to select a first measurement point on said object of interest; displaying a second measurement cursor overlay on said at least one image of said object of interest; and placing said second measurement cursor overlay to select a second measurement point on said object of interest, wherein said second measurement point is outside of said first magnified view; wherein said first measurement point and said second measurement point are used for determining at least one geometric characteristic of said object of interest.