2009•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access
Depolarization properties of the normal human fovea measured by the GDx-MM
Wai-Sze Tiffany Lam, Russell A. Chipman, K. Twietmeyer, Yanming Zhou, Kurt R. Denninghoff, Ann E. Elsner, Stephen A. Burns
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Abstract
A custom imaging Mueller matrix retinal polarimeter (the GDx-MM) is built. Mueller matrix images of normal human fovea were acquired with the GDx-MM over a 9° field at 780nm and have been analyzed for depolarization index and the variation of degree of polarization with incident polarization state. The degree of polarization (DoP) was often above 50% and varied in complex ways as a function of the incident polarization states. The depolarization properties around the macula loosely correlated with the retardance image. High spatial frequency depolarizing structures were evident throughout the fovea.