Wide-field optical coherence tomography angiography enabled by two repeated measurements of B-scans

Ruikang K. Wang, Anqi Zhang, W. O O June Choi, Qinqin Zhang, Chieh L I Chen, Andrew Miller, Giovanni Gregori, Philip J Rosenfeld

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Optical coherence tomography angiography (OCTA) has increasingly become clinically important, particularly in ophthalmology. However, the field of view (FOV) for current OCTA imaging is severely limited due to A-scan rates that can be afforded by current clinical systems and, more importantly, the requirement of a repeated scanning protocol. This Letter evaluates the possibility of using only two repeated B-scans for OCTA for the purpose of an increased FOV. The effect of repeated numbers on the OCTA result is discussed through experiments on an animal model in vivo and evaluated using quantitative metrics for image quality. Demonstrated through in vivo imaging of a pathological human eye, we show that optical microangiography-based OCTA with two repeated B-scans can provide wide-field angiography up to 12 ? 12 mm with clinically acceptable image quality

Original languageEnglish (US)
Pages (from-to)2330-2333
Number of pages4
JournalOptics Letters
Volume41
Issue number10
DOIs
StatePublished - May 15 2016

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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