Lens holder replacement repair for Zeiss 720-750, 720i-750i, 840, 850 visual fields

Lens holder replacement for broken Zeiss visual fields. Repair / replacement for Zeiss HFA 720,730,735,740,745,750,720i,740i,750i.  Now also compatible with the 840 and 850 HFA3 units.  This repair is for IR and NON IR units with the white, gray or black arm.  This repair can be done by a doctor with no technical experience.  If you follow the video instructions you will not have a loss in calibration.

Please watch our instructional video-

HFA2 720-750, 720i-750i

https://youtu.be/EPf9BdSBQJQ

HFA3 840, 850

https://youtu.be/hQRtHPUrdlw