Highly parallelized optical coherence tomography for ocular metrology and imaging

Trevor B. Anderson; Armin Segref; Grant Frisken; Dirk Lorenser; Herman Ferra; Steven Frisken

doi:10.1117/12.2539905

30 December 2019 Highly parallelized optical coherence tomography for ocular metrology and imaging

Trevor B. Anderson, Armin Segref, Grant Frisken, Dirk Lorenser, Herman Ferra, Steven Frisken

Author Affiliations +

Proceedings Volume 11202, Biophotonics Australasia 2019; 112020D (2019) https://doi.org/10.1117/12.2539905
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Motion artefacts in traditional scanning spot optical coherence tomography (OCT) anterior-segment imaging can hamper the application of OCT to the determination of refractive properties of ocular interfaces. To overcome this problem, we have developed a Hyperparallel spectral domain approach (HP-OCT) for high speed volumetric imaging (up to 300k Ascan/ s). We demonstrate a repeatability of better than 0.1 Diopters for in-vivo anterior and posterior corneal power measurements as well as providing biometric measurements such as axial length, pachymetry, lens thickness and curvature, anterior chamber depth and axial length.

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Trevor B. Anderson, Armin Segref, Grant Frisken, Dirk Lorenser, Herman Ferra, and Steven Frisken "Highly parallelized optical coherence tomography for ocular metrology and imaging", Proc. SPIE 11202, Biophotonics Australasia 2019, 112020D (30 December 2019); https://doi.org/10.1117/12.2539905

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