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Short-Term Effect of Low-Dose Atropine and Hyperopic Defocus on Choroidal Thickness and Axial Length in Young Myopic Adults
المؤلفون المشاركون
Sander, Beata P.
Collins, Michael J.
Read, Scott A.
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-08-21
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Purpose.
To examine the interaction between a short period of hyperopic defocus and low-dose atropine upon the choroidal thickness and ocular biometrics of healthy myopic subjects.
Methods.
Twenty young adult myopic subjects had subfoveal choroidal thickness (ChT) and ocular biometry measurements taken before and 30 and 60 min following the introduction of optical blur (0.00 D and −3.00 D) combined with administration of 0.01% atropine or placebo.
Each combination of optical blur and drug was tested on different days in a fixed order.
Results.
The choroid exhibited significant thinning after imposing hyperopic defocus combined with placebo (mean change of −11 ± 2 μm, p<0.001).
The combination of hyperopic blur and 0.01% atropine led to a significantly smaller magnitude of subfoveal choroidal thinning (−4 ± 8 μm), compared to placebo and hyperopic defocus (p<0.01).
Eyes treated with 0.01% atropine with no defocus exhibited a significant increase in ChT (+6 ± 2 μm, p<0.01).
Axial length also underwent small but significant changes after treatment with hyperopic blur and placebo and 0.01% atropine alone (both p<0.01), but of opposite direction to the changes in choroidal thickness.
However, the 0.01% atropine/hyperopic blur condition did not lead to a significant change in axial length compared to baseline (p>0.05).
Conclusion.
Low-dose atropine does inhibit the short-term effect of hyperopic blur on choroidal thickness and, when used alone, does cause a slight thickening of the choroid in young healthy myopic adults.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Sander, Beata P.& Collins, Michael J.& Read, Scott A.. 2019. Short-Term Effect of Low-Dose Atropine and Hyperopic Defocus on Choroidal Thickness and Axial Length in Young Myopic Adults. Journal of Ophthalmology،Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1185606
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Sander, Beata P.…[et al.]. Short-Term Effect of Low-Dose Atropine and Hyperopic Defocus on Choroidal Thickness and Axial Length in Young Myopic Adults. Journal of Ophthalmology No. 2019 (2019), pp.1-8.
https://search.emarefa.net/detail/BIM-1185606
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Sander, Beata P.& Collins, Michael J.& Read, Scott A.. Short-Term Effect of Low-Dose Atropine and Hyperopic Defocus on Choroidal Thickness and Axial Length in Young Myopic Adults. Journal of Ophthalmology. 2019. Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1185606
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1185606
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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