H. Verstraete, M. Almasian, P. Pozzi, R. Bilderbeek, J. Kalkman, D. Faber, M. Verhaegen
{"title":"Feedforward operation of a lens setup for large defocus and astigmatism correction","authors":"H. Verstraete, M. Almasian, P. Pozzi, R. Bilderbeek, J. Kalkman, D. Faber, M. Verhaegen","doi":"10.1117/12.2227111","DOIUrl":null,"url":null,"abstract":"In this manuscript, we present a lens setup for large defocus and astigmatism correction. A deformable defocus lens and two rotational cylindrical lenses are used to control the defocus and astigmatism. The setup is calibrated using a simple model that allows the calculation of the lens inputs so that a desired defocus and astigmatism are actuated on the eye. The setup is tested by determining the feedforward prediction error, imaging a resolution target, and removing introduced aberrations.","PeriodicalId":285152,"journal":{"name":"SPIE Photonics Europe","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"SPIE Photonics Europe","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2227111","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
In this manuscript, we present a lens setup for large defocus and astigmatism correction. A deformable defocus lens and two rotational cylindrical lenses are used to control the defocus and astigmatism. The setup is calibrated using a simple model that allows the calculation of the lens inputs so that a desired defocus and astigmatism are actuated on the eye. The setup is tested by determining the feedforward prediction error, imaging a resolution target, and removing introduced aberrations.
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