Holographic Phase Compensation Techniques Applied to Human Cataracts

George O. Reynolds; Joel L. Zuckerman; William A. Dyes; David Miller

doi:10.1117/12.7971624

1 February 1973 Holographic Phase Compensation Techniques Applied to Human Cataracts

George O. Reynolds, Joel L. Zuckerman, William A. Dyes, David Miller

Author Affiliations +

Optical Engineering, Vol. 12, Issue 1, 120123 (February 1973). https://doi.org/10.1117/12.7971624

Abstract

The inability to observe intraocular pathology behind cataracts is a particularly acute problem to the ophthalmologist from the standpoints of assessment and continuing diagnosis. Moreover, when immediate surgery is required, precise location of the damage and assessment of the pathological necessities are seriously hampered. We have succeeded in demonstrating that image degradation by a cataract is due primarily to random phase aberrations within and on the surface of the cataract. We show that the cataract may be considered to be a quiescent, random phase-distorting medium. The technique of phase aberration balancing is used to cancel the cataract's aberrating power. Our procedure consists of forming a hologram of the phase aberrations. This hologram is then used as a filter, in conjunction with the cataract itself, to correct what would otherwise be highly distorted imagery. In our experiments, using excised cataracts, the average visual acuity of the cataracts before filtering was 20/200, whereas the average acuity after correction was 20/15.

Citation Download Citation

George O. Reynolds, Joel L. Zuckerman, William A. Dyes, and David Miller "Holographic Phase Compensation Techniques Applied to Human Cataracts," Optical Engineering 12(1), 120123 (1 February 1973). https://doi.org/10.1117/12.7971624

Published: 1 February 1973

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