In vivo high resolution human corneal imaging using full-field optical coherence tomography

Biomed Opt Express. 2018 Jan 10;9(2):557-568. doi: 10.1364/BOE.9.000557. eCollection 2018 Feb 1.

Abstract

We present the first full-field optical coherence tomography (FFOCT) device capable of in vivo imaging of the human cornea. We obtained images of the epithelial structures, Bowman's layer, sub-basal nerve plexus (SNP), anterior and posterior stromal keratocytes, stromal nerves, Descemet's membrane and endothelial cells with visible nuclei. Images were acquired with a high lateral resolution of 1.7 µm and relatively large field-of-view of 1.26 mm x 1.26 mm - a combination, which, to the best of our knowledge, has not been possible with other in vivo human eye imaging methods. The latter together with a contactless operation, make FFOCT a promising candidate for becoming a new tool in ophthalmic diagnostics.

Keywords: (110.4500) Optical coherence tomography; (170.0110) Imaging systems; (170.0170) Medical optics and biotechnology; (170.3880) Medical and biological imaging; (170.3890) Medical optics instrumentation; (170.4460) Ophthalmic optics and devices.