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Relating asthenopic symptoms to optometric measures and parameters of binocular vision

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ECEM22_Poster_JoelleJoss_Relating asthenopic symptoms to optometric measures .pdf (507.1Kb)
Autor/Autorin
Joss, Joëlle
Jainta, Stephanie
Datum
08.2022
Metadata
Zur Langanzeige
Type
06 - Präsentation
Zusammenfassung
Asthenopic symptoms are related to heterophoria and problems of binocular vision. In a recent paper, we showed that vergence drift and fixation durations are related to symptoms (CISS-questionnaire), but optometric measures such as heterophoria, vergence or accommodative facility, AC/A-ratio or NPC did not significantly add to the explained variance of asthenopia. We re-analysed our data, in which binocular eye movements were recorded (EyeLink II) for 64 participants, and linear regression analyses related all parameters of binocular coordination (objective heterophoria, vergence drift, saccade disconjugacy, fixation disparity and fixation duration), and the above-mentioned optometric tests to 4 symptoms factors (eye comfort, reading process, image quality and fatigue), which we identified by a factor analysis of the CISS-questionnaire. Objective heterophoria and fixation duration predicted 20% of the variance in symptoms concerning the reading process (factor 2). Furthermore, fixation duration seems to be slightly, but not significantly, related to symptoms addressing fatigue (factor 4), whereas optometric tests are not significantly related to any asthenopia factor. Overall, objective measures during reading relate to asthenopic symptoms, however the lack of asthenopic symptoms prediction by daily optometric parameters is still unexplained. Therefore, further research is needed to find out suited optometric parameters to infer asthenopic symptoms.
URI
https://irf.fhnw.ch/handle/11654/33953
http://dx.doi.org/10.26041/fhnw-4335
Verlagsort / Veranstaltungsort
Leicester
Veranstaltung
21st European Conference on Eye Movements;
2022-08-21;
2022-08-25
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