Wesson Fixation Disparity Card


Card Size: 6" x 4"

Material: easily cleanable Rigid Vinyl

Includes: Fixation disparity card, Polarized Glasses, and Instructions

Measurements include horizontal and vertical fixation disparity, associated phoria, and forced vergence fixation disparity curves used for fixation typing and the effects of visual therapy. In addition, the accommodative lag may be measured with high frequency and very low-frequency targets. 

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