corneal and lenticular microscopy with asymmetric fundus retroillumination.

Biomed Opt Express

Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215, USA.

Published: June 2020


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Article Abstract

We describe a new technique for non-contact corneal and lenticular microscopy. It is based on fundus retro-reflection and back-illumination of the crystalline lens and cornea. To enhance phase-gradient contrast, we apply asymmetric illumination by illuminating one side of the fundus. The technique produces micron-scale lateral resolution images across a 1 mm diagonal field of view in the central cornea. We show representative images of the epithelium, the subbasal nerve plexus, large stromal nerves, dendritic immune cells, endothelial nuclei, and the anterior crystalline lens, demonstrating the potential of this instrument for clinical applications.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316012PMC
http://dx.doi.org/10.1364/BOE.391815DOI Listing

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