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Am J Optom Physiol Opt. 1981 Feb;58(2):149-54.

The perceived stability of fixation.


Despite the small eye movements, we perceive a stable visual world and a relatively fixed fixation within that stable world. This study demonstrates a method by which we can be made aware of instability of the direction of fixation and it is also shown that we do not have a fixation "point," but rather a fixation "area." Analysis of the results shows why we are normally unaware of the magnitude of our small eye movements.

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