Skip to main content
eScholarship
Open Access Publications from the University of California

Progress on developing adaptive optics-optical coherence tomography for in vivo retinal imaging: Monitoring and correction of eye motion artifacts

  • Author(s): Zawadzki, RJ
  • Capps, AG
  • Kim, DY
  • Panorgias, A
  • Stevenson, SB
  • Hamann, B
  • Werner, JS
  • et al.
Abstract

© 2013 IEEE. Recent progress in retinal image acquisition techniques, including optical coherence tomography (OCT) and scanning laser ophthalmoscopy (SLO), combined with improved performance of adaptive optics (AO) instrumentation, has resulted in improvement in the quality of in vivo images of cellular structures in the human retina. Here, we present a short review of progress on developing AO-OCT instruments. Despite significant progress in imaging speed and resolution, eye movements present during acquisition of a retinal image with OCT introduce motion artifacts into the image, complicating analysis and registration. This effect is especially pronounced in high-resolution datasets acquired with AO-OCT instruments. Several retinal tracking systems have been introduced to correct retinal motion during data acquisition. We present a method for correcting motion artifacts in AO-OCT volume data after acquisition using simultaneously captured adaptive optics-scanning laser ophthalmoscope (AO-SLO) images. We extract transverse eye motion data from theAO-SLO images, assign a motion adjustment vector to each AO-OCTA-scan, and re-sample from the scattered data back onto a regular grid. The corrected volume data improve the accuracy of quantitative analyses of microscopic structures.

Many UC-authored scholarly publications are freely available on this site because of the UC Academic Senate's Open Access Policy. Let us know how this access is important for you.

Main Content
Current View