An OCT tracking system includes an imaging unit operable to generate a fundusimage of a patient's eye and atracking system operable to process the fundus image to determine a locationof a surgical instrument inserted into the patient's eye. TheOCT tracking system further includes an OCT system including an OCT lightsource operable to generate an OCT imaging beam anda beam scanner. Based at least in part on the determined location of thesurgical instrument, the beam scanner directs the OCTimaging beam to a particular region within the patient's eye, the particularregion within the patient's eye including the determinedlocation of the surgical instrument inserted into the patient's eye.