Method and device for screening a state of ophthalmic fatigue of an individual
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United States of America Patent
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Jun 13, 2017
Issued Date -
N/A
app pub date -
Jul 25, 2013
filing date -
Aug 9, 2012
priority date (Note) -
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Abstract
A method of screening a state of ophthalmic fatigue of an individual, includes steps: a1) of positioning a target (120) in relation to the individual in such a way that the target is visible by at least one of the two eyes of the individual, a2) of assessment by the individual of the sharpness of the target, and a3) of deducing a state of ophthalmic fatigue of the individual depending on whether the target is seen by the individual in a sharp or blurred manner. According to the invention, prior to step a2), there is provision for a step a0) of adjusting the size of the target and/or the position of the target in relation to the individual, as a function of the age of the individual.
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