Imaging polarimetry and retinal blood vessel quantification at the epiretinal membrane

Abstract

We evaluated a polarimetry method to enhance retinal blood vessels masked by the epiretinal membrane. Depolarized light images were computed by removing the polarization retaining light reaching the instrument and were compared with parallel polarized light images, average reflectance images, and the corresponding images at $514\mathrm{nm}$. Contrasts were computed for retinal vessel profiles for arteries and veins. Contrasts were higher in the $514\mathrm{nm}$ images in normal eyes but higher in the depolarized light image in the eyes with epiretinal membranes. Depolarized light images were useful for examining the retinal vasculature in the presence of retinal disease.

© 2007 Optical Society of America

Polarimetric imaging and blood vessel quantification

Anke Weber, Michael C. Cheney, Quinn Y.J. Smithwick, and Ann E. Elsner
Opt. Express 12(21) 5178-5190 (2004)

Imaging polarimetry in patients with neovascular age-related macular degeneration

Ann E. Elsner, Anke Weber, Michael C. Cheney, Dean A. VanNasdale, and Masahiro Miura
J. Opt. Soc. Am. A 24(5) 1468-1480 (2007)

Noninvasive technique for oximetry of blood in retinal vessels

François C. Delori
Appl. Opt. 27(6) 1113-1125 (1988)

Wavelength dependence of the apparent diameter of retinal blood vessels

Robert Park, Karen Twietmeyer, Russell Chipman, Neil Beaudry, and David Salyer
Appl. Opt. 44(10) 1831-1837 (2005)

Automatic identification and characterization of the epiretinal membrane in OCT images

Sergio Baamonde, Joaquim de Moura, Jorge Novo, Pablo Charlón, and Marcos Ortega
Biomed. Opt. Express 10(8) 4018-4033 (2019)