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Corneal Biomechanical Properties after FS-LASIK with Residual Bed Thickness Less Than 50% of the Original Corneal Thickness
المؤلفون المشاركون
Qin, Xiao
Zhang, Haixia
Li, Lin
Zhang, Di
Ding, Lin
Khan, Muhammad Ahmad
المصدر
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-01-11
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Background.
The changes in corneal biomechanical properties after LASIK remain an unknown but important topic for surgical design and prognostic evaluation.
This study aims to observe the postoperative corneal biomechanical properties one month after LASIK with amount of corneal cutting (ACC) greater than 50% of the central corneal thickness (CCT).
Methods.
FS-LASIK was performed in 10 left rabbit eyes with ACC being 60% (L60) and 65% (L65) of the CCT, while the right eyes (R) were the control.
After 4 weeks, rabbits were executed and corneal strip samples were prepared for uniaxial tensile tests.
Results.
At the same strain, the stresses of L65 and L60 were larger than those of R.
The elastic moduli of L60 and L65 were larger than those of R when the stress was 0.02 MPa, while they began to be less than those of R when stress exceeds the low-stress region.
After 10 s relaxation, the stress of specimens L65, L60, and R increased in turn.
Conclusion.
The elastic moduli of the cornea after FS-LASIK with ACC greater than 50% of the CCT do not become less under normal rabbit IOP.
The limit stress grows with the rise of ACC when relaxation becomes stable.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhang, Haixia& Khan, Muhammad Ahmad& Zhang, Di& Qin, Xiao& Ding, Lin& Li, Lin. 2018. Corneal Biomechanical Properties after FS-LASIK with Residual Bed Thickness Less Than 50% of the Original Corneal Thickness. Journal of Ophthalmology،Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1196369
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhang, Haixia…[et al.]. Corneal Biomechanical Properties after FS-LASIK with Residual Bed Thickness Less Than 50% of the Original Corneal Thickness. Journal of Ophthalmology No. 2018 (2018), pp.1-10.
https://search.emarefa.net/detail/BIM-1196369
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhang, Haixia& Khan, Muhammad Ahmad& Zhang, Di& Qin, Xiao& Ding, Lin& Li, Lin. Corneal Biomechanical Properties after FS-LASIK with Residual Bed Thickness Less Than 50% of the Original Corneal Thickness. Journal of Ophthalmology. 2018. Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1196369
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1196369
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