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Aug 1st 2019 Posted by Accuspire

​Objective Scatter Index (OSI) Measurements

The purpose is to find out the relationship between clinical cataract classifications, quality of life (QOL), and the objective loss of ocular transparency in patients with clinical cataracts.

Eventually, the multicenter, cross-sectional study referred 1,768 eyes of 1,768 patients (mean age: 72.5 years; range: 28 to 93 years) for cataract assessment. In order to decide the severity of lens opacification, the Visual acuity was measured before slit-lamp examination using the Lens Opacities Classification System III. Patients need to complete the Visual Function Index (VF-14) questionnaire. Objective Scatter Index (OSI) helps in the quantification of ocular transparency. It was measured by the HD Analyzer (Visiometrics SL, Terrassa, Spain). Sensitivity and efficiency of the HD Analyzer is verified by association and categorical data analysis that are performed between each measured parameter in combination with cross-tabulation analyses.

High OSI levels and a lower visual acuity value matched with each other to some extent and better with lower VF-14 scores. Cataract classification and severity are highly linked with OSI scores. The scientifically certified factors reveal fine accord for the OSI in examining cataract. Cross-tabulation analysis exposes a high sensitivity and efficiency index for the OSI.

The OSI evaluated by the HD Analyzer is a perceptive and competent device in the early detection of cataract in patients.

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