Display Settings:

Format

Send to:

Choose Destination
See comment in PubMed Commons below
J Biomed Opt. 2010 Mar-Apr;15(2):020502. doi: 10.1117/1.3353958.

Optical microangiography provides depth-resolved images of directional ocular blood perfusion in posterior eye segment.

Author information

  • 1Oregon Health & Science University, Department of Biomedical Engineering, 3303 South West Bond Avenue, Portland, Oregon 97239, USA. wangr@ohsu.edu

Abstract

In this paper, we demonstrate that the optical microangiography (OAMG) is capable of depth-resolved imaging of directional blood perfusion within both retinal and choroid in the posterior segment of human eye. The study uses an OMAG system operating at 840 nm with an imaging speed at 27,000 A-scans per second. Sequentially registered multiple OMAG projection maps of small areas ( approximately 1 mm x 1 mm) are combined to provide directional blood flow images for a larger field of view. It takes approximately 3.7 sec to image a small area (1 x 1 mm(2)), and approximately 2.5 min for a larger field (3 x 3 mm(2)). Finally, we show superior performance of OMAG in providing functional images of capillary level microcirculation at different depths of retina and choroid that correlate well with the standard retinal pathology.

PMID:
20459216
[PubMed - indexed for MEDLINE]
PMCID:
PMC2852433
Free PMC Article

Images from this publication.See all images (2)Free text

Figure 1
Figure 2
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Silverchair Information Systems Icon for PubMed Central
    Loading ...
    Write to the Help Desk