Measurement of the axial eye length and retinal thickness by laser Doppler interferometry

Christoph K. Hitzenberger; Adolf Friedrich Fercher; M. Juchem

doi:10.1117/12.43956

1 June 1991 Measurement of the axial eye length and retinal thickness by laser Doppler interferometry

Christoph K. Hitzenberger, Adolf Friedrich Fercher, M. Juchem

Proceedings Volume 1423, Ophthalmic Technologies; (1991) https://doi.org/10.1117/12.43956
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

A new method has been developed for determining intraocular distances. It is based on interferometry methods in conjunction with the laser Doppler technique, using partially coherent light. In a first approach two distances are measured: the axial eye length (distance cornea - retina) and the thickness of the retina. An accuracy of 10 pm for optical distances is achieved. Comparisons with the usual ultrasound technique show a good agreement also for geometrical distances.

Citation Download Citation

Christoph K. Hitzenberger, Adolf Friedrich Fercher, and M. Juchem "Measurement of the axial eye length and retinal thickness by laser Doppler interferometry", Proc. SPIE 1423, Ophthalmic Technologies, (1 June 1991); https://doi.org/10.1117/12.43956

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