Diattenuation and polarization preservation of retinal nerve fiber layer reflectance

Xiang Run Huang; Robert W. Knighton

doi:10.1364/AO.42.005737

Diattenuation and polarization preservation of retinal nerve fiber layer reflectance

Xiang Run Huang, Robert W. Knighton

Ophthalmology

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The diattenuation spectrum of the retinal nerve fiber layer (RNFL) reflectance has been predicted to depend strongly on the relative refractive index (m) of light-scattering cylinders. To constrain the values of m, diattenuation of the RNFL reflectance of isolated rat retina was measured with a multispectral imaging micropolarimeter. The RNFL reflection has very weak intrinsic diattenuation at all wavelengths (400-830 nm), which rejects all values of m ≥ 1.03. Degree of polarization (DOP) for reflection from the RNFL was also measured. DOP was close to unity at all wavelengths, which indicates that the RNFL is a polarization-preserving reflector.

Original language	English (US)
Pages (from-to)	5737-5743
Number of pages	7
Journal	Applied Optics
Volume	42
Issue number	28
DOIs	https://doi.org/10.1364/AO.42.005737
State	Published - Aug 20 2003

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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AB - The diattenuation spectrum of the retinal nerve fiber layer (RNFL) reflectance has been predicted to depend strongly on the relative refractive index (m) of light-scattering cylinders. To constrain the values of m, diattenuation of the RNFL reflectance of isolated rat retina was measured with a multispectral imaging micropolarimeter. The RNFL reflection has very weak intrinsic diattenuation at all wavelengths (400-830 nm), which rejects all values of m ≥ 1.03. Degree of polarization (DOP) for reflection from the RNFL was also measured. DOP was close to unity at all wavelengths, which indicates that the RNFL is a polarization-preserving reflector.

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Diattenuation and polarization preservation of retinal nerve fiber layer reflectance

Abstract

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