Corneal topography: the dark side of the moon

Leo D. Bores M.D.

doi:10.1117/12.44674

1 August 1991 Corneal topography: the dark side of the moon

Leo D. Bores M.D.

Proceedings Volume 1429, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine; (1991) https://doi.org/10.1117/12.44674
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

Currentmethods ofdetermining the shape and elevation ofthe cornea!surface are inadequate both in terms ofaccuracy and extent. Much of the corneal surface is missed by these methods -particularilythe critical center and most of the periphery. All current measuring techniques assume this surface to be spherical -which it is not. Mathematical assumptions have been employed to reconstruct the surface. These assumptions fall short of the accuracy required for realistic assessment of the effect of external influences on corneal shape. Modern surgical methods designed to modulate the corneal surface curvature or alter the refractive state of the eye demand precise measurement of this surface -the main refractive element of the human eye. Single side-band holographic techniques provide the means whereby this demand can be realized. Surface elevations in the sub-micron range can be readily imaged with this technique.

Citation Download Citation

Leo D. Bores M.D. "Corneal topography: the dark side of the moon", Proc. SPIE 1429, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine, (1 August 1991); https://doi.org/10.1117/12.44674

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available