Abstract

A holocamera that safely records holograms of the full depth of the alert human eye with a spatial resolution of ∼20 μm is described. A single-mode argon-ion laser generating 2 W at 5145 Å serves as the illuminating source. Holographic exposure times of 0.3 msec are achieved by means of a fail-safe electromechanical shutter system. Integrated retinal irradiance levels are well under the American National Standards Institute safety standards. Reconstructed real images are projected directly onto the vidicon faceplate of a closed-circuit TV system, enabling convenient scanning in the x-y-z dimensions of the reconstructed eyeball. Serially reconstructed holograms of cataractous rabbit eyes and normal human eyes are presented.

© 1980 Optical Society of America

Digital holographic microscope for human eye retinal structures recording in vivo

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