Method and apparatus for detecting cataractogenesis

Details Method and apparatus for detecting cataractogenesis Method and apparatus for detecting cataractogenesis

1992-09-21

1995-02-28

Sykes, Angela D.

Surgery

Truss

Pad

128653001, 128745, A61B 310

Patent

active

053927761

ABSTRACT:
A method and apparatus for detecting cataractogenesis is disclosed. Quasielastic light scattering data are collected from the lens of an individual to be tested for cataractogenesis. The data are collected from specific and reproducible sites within the lens by means of measurements made using a reticle in the apparatus and processed by an autocorrelator. The data from the autocorrelator are then fit to a double exponential form of autocorrelation function and the resulting functional form is transformed to produce at least one dimensionless parameter F.sub.mos. This parameter has been found to change predictably with the individual's age and, accordingly, is useful in detecting and determining the degree of cataractogenesis in the individual.

REFERENCES:
patent: 4702576 (1987-10-01), Magnante
patent: 4957113 (1990-09-01), Benedek
patent: 5072731 (1991-12-01), Taratuta et al.
patent: 5258788 (1993-11-01), Furuya
patent: 5279296 (1994-01-01), Thurston et al.

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