Integrated adaptive optics optical coherence tomography and adaptive optics scanning laser ophthalmoscope system for simultaneous cellular resolution in vivo retinal imaging

Robert Zawadzki, Steven M. Jones, Suman Pilli, Sandra Balderas-Mata, Dae Yu Kim, Scot S. Olivier, John S Werner

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

We describe an ultrahigh-resolution (UHR) retinal imaging system that combines adaptive optics Fourier-domain optical coherence tomography (AO-OCT) with an adaptive optics scanning laser ophthalmoscope (AO-SLO) to allow simultaneous data acquisition by the two modalities. The AO-SLO subsystem was integrated into the previously described AO-UHR OCT instrument with minimal changes to the latter. This was done in order to ensure optimal performance and image quality of the AO- UHR OCT. In this design both imaging modalities share most of the optical components including a common AO-subsystem and vertical scanner. One of the benefits of combining Fd-OCT with SLO includes automatic co-registration between two acquisition channels for direct comparison between retinal structures imaged by both modalities (e.g., photoreceptor mosaics or microvasculature maps). Because of differences in the detection scheme of the two systems, this dual imaging modality instrument can provide insight into retinal morphology and potentially function, that could not be accessed easily by a single system. In this paper we describe details of the components and parameters of the combined instrument, including incorporation of a novel membrane magnetic deformable mirror with increased stroke and actuator count used as a single wavefront corrector. We also discuss laser safety calculations for this multimodal system. Finally, retinal images acquired in vivo with this system are presented.

Original languageEnglish (US)
Pages (from-to)1674-1686
Number of pages13
JournalBiomedical Optics Express
Volume2
Issue number6
DOIs
StatePublished - 2011

Fingerprint

Ophthalmoscopes
Optical Coherence Tomography
adaptive optics
Lasers
tomography
optics
scanning
retinal images
lasers
magnetic mirrors
Optical Devices
photoreceptors
deformable mirrors
Microvessels
strokes
scanners
data acquisition
safety
acquisition
actuators

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Biotechnology

Cite this

Integrated adaptive optics optical coherence tomography and adaptive optics scanning laser ophthalmoscope system for simultaneous cellular resolution in vivo retinal imaging. / Zawadzki, Robert; Jones, Steven M.; Pilli, Suman; Balderas-Mata, Sandra; Kim, Dae Yu; Olivier, Scot S.; Werner, John S.

In: Biomedical Optics Express, Vol. 2, No. 6, 2011, p. 1674-1686.

Research output: Contribution to journalArticle

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