The light reflected from the object is received by the receiving optic module and guided through {HEAD ~ the receiving fiber optic} in the endoscope to {TAIL ~ a light detector} of a control unit 
The light reflected from the object is received by the receiving optic module and guided through { HEAD ~ the receiving fiber optic } in the endoscope to { TAIL ~ a light detector } of a control unit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH