Method and apparatus for detecting cataractogenesis

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

A - Human Necessities

61

B

A61B 3/117 (2006.01)

Patent

CA 2144448

A method and apparatus for detecting ca- taractogenesis is disclosed. Quasielastic light scattering data are collected from the lens (12) of an individual to be tested for cataractogenesis. The data are collected from specific and reprodu- cible sites within the lens by means of measure- ments made using a reticle (40) in the apparatus and processed by an autocorrelator (38). The da- ta 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 Fmos. This parameter has been found to change predictably with the individual's age and, accor- dingly, is useful in detecting and determining the degree of cataractogenesis in the individual.

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