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KMID : 1159320180200030327
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Korean Journal of Vision Science
2018 Volume.20 No. 3 p.327 ~ p.340
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An Evaluation of Clinical Performance on the Aniseikonia Corrective Spectacles
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Noh Kyou-Tae
Kim Hak-Jun
Mah Ki-Choong
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Abstract
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Purpose : To evaluate the clinical performance on the aniseikonia corrective spectacles.
Methods : Aniseikonia corrective spectacles were prescribed on 30 anisometropes (12 males and 18 females, mean age 23.7 yrs.). Corrected visual acuity (LogMAR), spectacle magnification, amount of aniseikonia, and stereo-acuity were measured by habitual spectacles and aniseikonia corrective spectacles, respectively. The subjective satisfaction was measured by questionnaire after wearing the spectacles for 1 week.
Results : The difference of spherical equivalent power between dominant and non-dominant eyes in aniseikonia corrective spectacles was increased compared to the case of habitual spectacles, but the difference was not significant (0.22D, p=0.41). The difference in monocular corrected visual acuity (LogMAR) has significantly decreased (0.04, p=0.03) and binocular corrected visual acuity (LogMAR) has significantly improved (0.07, p=0.00). The difference of spectacle magnification between right and left eyes of aniseikonia corrective spectacles (1.23%) was significantly lower than the difference in habitual spectacle (2.63%)(p=0.00). Stereo-acuity was improved by 46 seconds of arc in the aniseikonia corrective spectacles, and subjective satisfaction of aniseikonia corrective spectacles was significantly improved than habitual spectacles. Thick edges of lenses and ugly in appearance were found to be the main improvements.
Conclusions : It was found that aniseikonia corrective spectacles provide a visually comfortable and satisfying life for the anisometropes. Additionally, this study could suggest a practical application for clinical purposes related to the prescription and dispensing of aniseikonia corrective spectacles.
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KEYWORD
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Aniseikonia corrective spectacles , Spectacle magnification , Stereo-acuity , Subjective satisfaction
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