Universal Patient Response Button - compatible with Zeiss Humphrey visual fields Clicker Brand_Welch Allyn Optovue iVue is the benchmark

Optovue iVue is the benchmark for eye care practitioners seeking unmatched OCT performance and value—with capabilities you would expect to cost far more

Laptop upgrade included (not shown in photo- photo shows All in one computer)

Control of cylinder axis and power testing is amazingly simple

Corneal diameter can be measured either during testing of the patient or later by recalling an image of the cornea on the monitor

Universal Patient Response Button - compatible with Zeiss Humphrey visual fields Clicker Brand_Welch Allyn Optovue iVue is the benchmarkThis is a universal patient response button, also called "the clicker", which can be used for visual field units. Please check the plug in the photo compared to your unit. This is NOT compatible with the FDT and Matrix units. Please see our other listing for the correct plug. Compatible with Zeiss Humphrey 720, 720i, 730, 735, 740, 740i, 745, 745i, 750, 750i