Evans distance fixation disparity unit

Evans distance fixation disparity unit with Polaroid visor
Enables the compensation (or otherwise) of heterophoria to be established between 2 and 6 metres with Polaroid visor
Product Code: E18002

Evans distance fixation disparity unit with Polaroid visor
Enables the compensation (or otherwise) of heterophoria to be established between 2 and 6 metres with Polaroid visor