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   Correlation of higher order aberrations and components of astigmatism in myopic refractive surgery candidates  
   
نویسنده mohammadpour m. ,heidari z. ,mohammad-rabei h. ,jafarzadehpur e. ,jabbarvand m. ,hashemi h. ,khabazkhoob m.
منبع journal of current ophthalmology - 2016 - دوره : 28 - شماره : 3 - صفحه:112 -116
چکیده    Purpose to evaluate the correlation between refractive,corneal,and residual astigmatism and higher order aberrations (hoa) in refractive surgery candidates. methods three hundred and seventy-five eyes of 188 patients aged 28.2 ± 6.24 years with a predominance of females (62.7%) were enrolled in this study. refraction,topography (orbscan iiz,bausch & lomb,rochester,ny,usa),and aberrometry (zywave,bausch & lomb,rochester,ny,usa) were performed to determine refractive and corneal astigmatism and hoa for all participants. ocular residual astigmatism was calculated using vector analysis. results the mean spherical equivalent was −3.59 ± 1.95 d and the mean refractive astigmatism was −1.97 ± 1.3 d. the mean hoa was 0.38 ± 0.15 μm in all cases,which increased with spherical equivalent (p < 0.05). there was a positive significant correlation between both corneal and refractive astigmatism and hoa (p < 0.05),but there was no significant correlation between residual astigmatism and hoa (p = 0.122). conclusion the results of the study showed significant correlations between corneal and refractive astigmatisms and hoa. © 2016 iranian society of ophthalmology
کلیدواژه Corneal astigmatism; Higher order aberrations; Refractive astigmatism; Residual astigmatism; Zywave
آدرس farabi eye hospital,eye research center,tehran university of medical sciences,tehran, ایران, school of allied medical sciences,mazandaran university of medical sciences,sari, ایران, ophthalmic research center,torfeh medical center,shahid beheshti university of medical sciences,tehran, ایران, department of optometry,iran university of medical science,tehran, ایران, farabi eye hospital,eye research center,tehran university of medical sciences,tehran, ایران, noor research center for ophthalmic epidemiology,noor eye hospital,tehran, ایران, department of medical surgical nursing,school of nursing and midwifery,shahid beheshti university of medical sciences,tehran, ایران
 
     
   
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