Higher Order Ocular Aberrations and Their Relation to Refractive Error and Ocular Biometry in Children

2014 ◽  
Vol 55 (8) ◽  
pp. 4791 ◽  
Author(s):  
Julie-Anne Little ◽  
Sara J. McCullough ◽  
Karen M. M. Breslin ◽  
Kathryn J. Saunders
Keyword(s):  
Refractive Error ◽  
Higher Order ◽  
Ocular Biometry ◽  
Ocular Aberrations

scholarly journals Ocular aberrations and wavefront aberrometry: A review

2015 ◽  
Vol 74 (1) ◽  
Author(s):  
Holly A. Unterhorst ◽  
Alan Rubin
Keyword(s):  
Refractive Error ◽  
Lower Order ◽  
Refractive Surgery ◽  
Higher Order ◽  
Refractive Errors ◽  
Routine Procedure ◽  
Wavefront Aberrations ◽  
Ocular Aberrations ◽  
Wavefront Aberrometry ◽  
Visual Disturbances

Wavefront aberrations can be described as deviations of the wavefront exiting the eye froma reference wavefront that is aberration free and diffraction limited. Ocular aberrations canbe sub-categorised as lower and higher order aberrations. Ocular aberrations have promptedinterest amongst the ocular healthcare community owing to their influences on the visualfunctioning of patients as well as differences observed in ocular aberrations through the useof refractive surgery both pre- and post-operatively. Uncompensated refractive error remainsone of the most common reasons for which patients consult optometrists. Compensationof refractive error, or lower order aberrations, has become a routine procedure during anoptometric examination. However, there are some patients who experience visual symptomseven after their refractive errors have been compensated via spectacles or contact lenses.Higher-order aberrations may be the source of these visual disturbances. Refractive surgeryhas been found to influence and even induce various changes in higher-order aberrationspost-operatively, which in turn has led to increased interest in wavefront aberrations and howthe measurement of these aberrations can improve diagnosis and treatment within optometryand ophthalmology.

Ocular biometry and determinants of refractive error in rural Myanmar: the Meiktila Eye Study

2008 ◽  
Vol 92 (12) ◽  
pp. 1591-1594 ◽  
Author(s):  
S Warrier ◽  
H M Wu ◽  
H S Newland ◽  
J Muecke ◽  
D Selva ◽  
...  
Keyword(s):  
Refractive Error ◽  
Ocular Biometry

Ocular biometry and determinants of refractive error in a founder population of European ancestry

2017 ◽  
Vol 39 (1) ◽  
pp. 11-16 ◽  
Author(s):  
Sarah M. Hilkert ◽  
Reut Parness-Yossifon ◽  
Rebecca Mets-Halgrimson ◽  
Marilyn B. Mets
Keyword(s):  
Refractive Error ◽  
European Ancestry ◽  
Founder Population ◽  
Ocular Biometry

scholarly journals Acute Effect of Cigarette Smoking on Pupil Size and Ocular Aberrations: A Pre- and Postsmoking Study

2015 ◽  
Vol 2015 ◽  
pp. 1-5 ◽  
Author(s):  
Uzeyir Erdem ◽  
Fatih C. Gundogan ◽  
Umut Aslı Dinc ◽  
Umit Yolcu ◽  
Abdullah Ilhan ◽  
...  
Keyword(s):  
Cigarette Smoking ◽  
Pupil Size ◽  
Spherical Aberration ◽  
Acute Effect ◽  
Optical Path Difference ◽  
Higher Order ◽  
Scanning System ◽  
Wavefront Aberration ◽  
Ocular Aberrations ◽  
Higher Order Aberration

Aim.To evaluate the acute effects of cigarette smoking on photopic and mesopic pupil sizes and wavefront aberrations.Methods.Cigarette smoker volunteers were recruited in the study. Photopic and mesopic pupil sizes and total ocular aberrations were measured before smoking and immediately after smoking. All volunteers were asked to smoke a single cigarette containing 1.0 mg nicotine. Pupil sizes and total ocular aberrations were assessed by optical path difference scanning system (OPD-Scan II ARK-10000, NIDEK). Only the right eyes were considered for statistical analysis. The changes of pupil size and total ocular aberrations after smoking were tested for significance by Wilcoxon signed ranks test.Results.Mean photopic pupil size decreased from 3.52 ± 0.73 mm to 3.29 ± 0.58 mm(P=0.001)after smoking. Mean mesopic pupil size was also decreased from 6.42 ± 0.75 mm to 6.14 ± 0.75 mm after smoking(P=0.001). There was a decrease in all the measured components of aberrations (total wavefront aberration, higher-order aberration, total coma, total trefoil, total tetrafoil, total spherical aberration and total higher-order aberration) after smoking; however the differences were insignificant for all(P>0.05).Conclusion.Our results indicate that pupil constricts after smoking. On the other hand, smoking does not alter ocular aberrations.

Ocular biometry and determinants of refractive error in the Hutterites, a founder population of European ancestry

2016 ◽  
Vol 20 (4) ◽  
pp. e33
Author(s):  
Sarah M. Hilkert ◽  
Reut Parness-Yossifon ◽  
Carole Ober ◽  
Marilyn B. Mets
Keyword(s):  
Refractive Error ◽  
European Ancestry ◽  
Founder Population ◽  
Ocular Biometry

Evaluation of Higher Order Ocular Aberrations in Patients With Keratoconus

2007 ◽  
Vol 23 (8) ◽  
pp. 825-828 ◽  
Author(s):  
Li Lim ◽  
Rui Hua Wei ◽  
Wing Kwong Chan ◽  
Donald T H Tan
Keyword(s):  
Higher Order ◽  
Ocular Aberrations

Status of Residual Refractive Error, Ocular Aberrations, and Accommodation After Myopic LASIK, SMILE, and TransPRK

2019 ◽  
Vol 35 (10) ◽  
pp. 624-631 ◽  
Author(s):  
Naren Shetty ◽  
Zelda Dadachanji ◽  
Raghav Narasimhan ◽  
Gairik Kundu ◽  
Pooja Khamar ◽  
...  
Keyword(s):  
Refractive Error ◽  
Ocular Aberrations
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