Distributed scanning volumetric SDOCT for motion corrected corneal biometry.

Journal Article (Journal Article)

We present a method, termed distributed scanning OCT (DSOCT), which reduces the effects of patient motion on corneal biometry utilizing current-generation clinically available spectral domain optical coherence tomography (SDOCT) systems. We first performed a pilot study of the power spectrum of normal patient axial eye motion based on repeated (M-mode) SDOCT. Using DSOCT to reduce the effects of patient motion, we conducted a preliminary patient study comparing the measured anterior and posterior corneal curvatures and the calculated corneal power to both corneal topography and Scheimpflug photography in normal subjects. The repeatability for the measured radius of curvature of both anterior and posterior surfaces as well as calculated corneal refractive power using DSOCT was comparable to those of both topography and Scheimpflug photography.

Full Text

Duke Authors

Cited Authors

  • McNabb, RP; Larocca, F; Farsiu, S; Kuo, AN; Izatt, JA

Published Date

  • September 1, 2012

Published In

Volume / Issue

  • 3 / 9

Start / End Page

  • 2050 - 2065

PubMed ID

  • 23024900

Pubmed Central ID

  • PMC3447548

Electronic International Standard Serial Number (EISSN)

  • 2156-7085

Digital Object Identifier (DOI)

  • 10.1364/BOE.3.002050


  • eng

Conference Location

  • United States