From: Comparison of a MEMS-Based Handheld OCT Scanner With a Commercial Desktop OCT System for Retinal Evaluation Trans. Vis. Sci. Tech.. 2014;3(4):3. doi:10.1167/tvst.3.4.3 Figure Legend: Schematic diagram and photograph of the portable OCT system and handheld scanner equipped with the interchangeable lens mounts for corneal or retinal imaging. Abbreviations: DG, diffraction grating; PC, polarization controller; NDF, neutral density filter; DC, dispersion compensation unit. Date of download: 10/24/2017 The Association for Research in Vision and Ophthalmology Copyright © 2017. All rights reserved.