Cataract epidemiological study: correlation of cataract morphology with health status.

Data on 288 cataract patients were collected with respect to sex, age, disease status, drug intake, and blood chemistry. Eight different types of lens opacities could be discriminated using slit-lamp examination, Scheimpflug photography of the anterior eye segment, and microdensitometric image analysis of the film negatives. The statistical method of fitting log linear models was used to investigate the association between cataract morphology and other variables. The following variables were shown to be important and to contribute independently to the differentiation of cataract types: cholelithiasis, pneumonia, heart insufficiency, allergy, and age.