Document Detail


A non-stationary model for simulating the dynamics of ocular aberrations.
MedLine Citation:
PMID:  20941035     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The time-evolution of ocular aberrations has been the subject of many studies, but so far there has been little discussion involving the modelling of the underlying temporal statistics. This paper presents a non-stationary modelling approach based on a coloured-noise generator, which can be applied to ocular aberration dynamics. The model parameters are computed from measured ocular aberration data. A custom-built aberrometer based on a Shack-Hartmann sensor was used for measurement. We present simulations based on our modelling approach, and validate them through comparison to real data. This work could be useful in areas such as the testing of ophthalmic devices and the development of improved algorithms for laser refractive surgery.
Authors:
C Leahy; C Dainty
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Optics express     Volume:  18     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-10-13     Completed Date:  2011-02-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  21386-96     Citation Subset:  IM    
Affiliation:
Applied Optics Group, School of Physics, National University of Ireland, Galway. conor.leahy@gmail.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Color
Computer Simulation
Eye / anatomy & histology
Humans
Male
Models, Statistical
Models, Theoretical
Ocular Physiological Phenomena
Ophthalmologic Surgical Procedures*
Optics and Photonics*
Refractive Errors / physiopathology*
Reproducibility of Results
Time Factors
Vision, Ocular*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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