Disease profile in an ophthalmologist's private practice: analysis of patients seen in 1987.
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Biomedical subjects
Publications and source records attributed to U Eckerskorn.
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In this article the authors review the present state of our knowledge concerning senile cataract. Clinical observations, frequencies and prognosis, biochemical and biometrical results, etiology and pathogenesis as well as aspects of cataract epidemiology are presented. The available information indicates that the term "senile cataract" comprises a multiplicity of morphologically different types of opacities all characterized by unique properties. With respect to clinical relevance and for research purposes it is obvious and essential to replace the term "senile cataract" with more precise definitions appropriate to the type and localization of the opacity.
Data from 97 cataract patients and 105 normal controls with ages less than 67 years were collected with respect to sex, age, disease status, drug intake, and blood chemistries. The statistical method of fitting log-linear models was used to determine the association between the case-control indicator variable and the other variables. The following variables were shown to be important and to associate independently with the risk of developing cataracts: age, allergy, diabetes, hypotension, hypertension, use of analgesics and coronary disease.
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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.
The well-known different morphological features observed in so-called senile cataract are probably symptoms of various pathogenetic mechanisms in the lens. In order to identify a relationship between type of cataract and special risk factors, a cataract classification system using Scheimpflug photography has been developed. Data of 288 cataract patients (case histories and blood chemistries) have been grouped according to differences in cataract morphology. The multivariate analyses showed the following five variables to be important and to contribute independently to the differentiation of cataract types: cholelithiasis, allergy, heart insufficiency, pneumonia, and age. A case-control study without consideration of cataract morphology showed the following variables to be important and to associate independently with the risk of developing cataracts: age, allergy, diabetes, hypotension, hypertension, use of analgesics, and coronary disease.
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