Zeiss Type 720i Response Button

Zeiss Type 720i Response Button

• This is a universal patient response button, also called “the clicker”, which can be used for visual field units.
• This will work on a Zeiss / Humphrey HFA II / IIi models  720i , 740i , 745i , 750i  and HFA 3 models 840 , 850 , 860
• Please check the plug / connector in the photo compared to your unit.
• If you have any concerns please check with us first.