{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:19:41Z","timestamp":1760145581659,"version":"build-2065373602"},"reference-count":26,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2024,8,10]],"date-time":"2024-08-10T00:00:00Z","timestamp":1723248000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Eureka Eurostars 3 programme under project name DOCTA","award":["16"],"award-info":[{"award-number":["16"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Ocular aberrometry with a wide dynamic range for assessing vision performance and anterior segment imaging that provides anatomical details of the eye are both essential for vision research and clinical applications. Defocus error is a major limitation of digital wavefront aberrometry (DWA), as the blurring of the detected point spread function (PSF) significantly reduces the signal-to-noise ratio (SNR) beyond the \u00b13 D range. With the aid of Badal-like precompensation of defocus, the dynamic defocus range of the captured aberrated PSFs can be effectively extended. We demonstrate a dual-modality MHz VCSEL-based swept-source OCT (SS-OCT) system with easy switching between DWA and OCT imaging modes. The system is capable of measuring aberrations with defocus dynamic range of 20 D as well as providing fast anatomical imaging of the anterior segment at an A-scan rate of 1.6 MHz.<\/jats:p>","DOI":"10.3390\/s24165161","type":"journal-article","created":{"date-parts":[[2024,8,12]],"date-time":"2024-08-12T11:23:46Z","timestamp":1723461826000},"page":"5161","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Wide Dynamic Range Digital Aberration Measurement and Fast Anterior-Segment OCT Imaging \u2020"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2574-8432","authenticated-orcid":false,"given":"Mengyuan","family":"Ke","sequence":"first","affiliation":[{"name":"Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, 1090 Wien, Austria"}]},{"given":"Abhishek","family":"Kumar","sequence":"additional","affiliation":[{"name":"Wavesense Engineering GmbH, 1190 Wien, Austria"}]},{"given":"Thor E.","family":"Ansb\u00e6k","sequence":"additional","affiliation":[{"name":"OCTLIGHT ApS, 2800 Lyngby-Taarb\u00e6k, Denmark"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0131-4111","authenticated-orcid":false,"given":"Rainer A.","family":"Leitgeb","sequence":"additional","affiliation":[{"name":"Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, 1090 Wien, Austria"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1178","DOI":"10.1126\/science.1957169","article-title":"Optical coherence tomography","volume":"254","author":"Huang","year":"1991","journal-title":"Science"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Drexler, W., and Fujimoto, J.G. 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