シングルディスクハプロスコープを用いた不同視における不等像の検討

DOI 被引用文献2件 参考文献8件

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  • Aniseikonia measurement by single disk haploscope in anisometropia.

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Aniseikonia induced by anisometropia often causes secondary problems such as asthenopia, diplopia and poor stereo acuity among adults. However, there are many infants who can wear glasses comfortably even if they have severe Aniseikonia.<br>In this study, the correlation between the degree of aniseikonia and the degree of anisometropia was determined. The relationship between the degrees of aniseikonia and with/without subjective symptoms was evaluated. The subjects had anisometropia of more than 1.75 diopters.<br>The results showed the following:<br>1. The group with no subjective symptoms had less aniseikonia than the group with subjective symptoms.<br>2. Images in the myopic eyes were small and the images in the hyperopic eyes were large.<br>3. There were no marked differences in aniseikonia between the starting age and the length of time glasses were worn.<br>4. Some other studies have reported that a 2% aniseikonia per diopter can be seen. However, in our study aniseikonia of 0-7.6% per diopter was found. It was concluded that when glasses are prescribed for anisometropia, it is best to measure for aniseikonia each time.

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