{HEAD ~ The distal end} of {TAIL ~ the optic fiber} and the distal end of the illuminator cannula are both provided with flat, beveled surfaces 
of
{ HEAD ~ The distal end } of { TAIL ~ the optic fiber } and the distal end of the illuminator cannula are both provided with flat , beveled surfaces
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH