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  • Title: The Oxford modular cataract image analysis system.
    Author: Sparrow JM, Brown NA, Shun-Shin GA, Bron AJ.
    Journal: Eye (Lond); 1990; 4 ( Pt 4)():638-48. PubMed ID: 2226996.
    Abstract:
    A modular system of acquisition and analysis of Scheimpflug, retro-illumination and fluorescence images of the in vivo human crystalline lens is described. Image analysis is directed towards the following goals: Scheimpflug slit-images are analysed for: (1) The optical density of nuclear cataract present; (2) The dimensions of the lens and the lenticular zones; (3) The curvatures of the lens and lenticular zones. Retro-illumination images are analysed for: (1) The percentage area which is occupied by cataract; (2) A combined measure (weighted integral) describing both the amount of cataract present and its optical density. Lenticular auto-fluorescence images are analysed for the mean density (fluorescence) of the lens as a whole. A pilot study of the repeatability of the methods is presented.
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