Digital ocular swept source optical coherence aberrometry

Ocular aberrometry is an essential technique in vision science and ophthalmology. We demonstrate how a phase-sensitive single mode fiber-based swept source optical coherence tomography (SS-OCT) setup can be employed for quantitative ocular aberrometry with digital adaptive optics (DAO). The system r...

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Bibliographic Details
Published in:Biomedical optics express 2021-11, Vol.12 (11), p.6762-6779
Main Authors: Georgiev, Stefan, Kumar, Abhishek, Findl, Oliver, Hirnschall, Nino, Niederleithner, Michael, Kendrisic, Milana, Drexler, Wolfgang, Leitgeb, Rainer A
Format: Article
Language:English
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Summary:Ocular aberrometry is an essential technique in vision science and ophthalmology. We demonstrate how a phase-sensitive single mode fiber-based swept source optical coherence tomography (SS-OCT) setup can be employed for quantitative ocular aberrometry with digital adaptive optics (DAO). The system records the volumetric point spread function at the retina in a de-scanning geometry using a guide star pencil beam. Succeeding test-retest repeatability assessment with defocus and astigmatism analysis on a model eye within ± 3 D dynamic range, the feasibility of technique is demonstrated at a B-scan rate of >1 kHz in comparison with a commercially available aberrometer.
ISSN:2156-7085
2156-7085
DOI:10.1364/BOE.430596