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Korelace vstupní rány a výsledného uložení kovového nitroočního tělesa pomocí počítačového modelování.
Title in English | Computer Modeling Correlation between the Entering Wound and the Final Position of the Metallic Intraocular Foreign Body. |
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Authors | |
Year of publication | 2006 |
Type | Article in Periodical |
Magazine / Source | Čes. a slov. Oftal. |
MU Faculty or unit | |
Citation | |
Field | ORL, ophthalmology, stomatology |
Keywords | penetrating injury of the eye; metallic intraocular foreign body; correlation analysis; computer modeling |
Description | Clinically found data of the entering wound and final position of the intraocular foreign body (IFB) as well were transformed with a computer model into the three-dimensional parameters. Both chirurparameters were statistically evaluated by means of correlation analysis, and correlation coefficient and determination coefficient were calculated. Results: The extent of correlation between two variables is called correlation coefficient. The coefficient values range between -1 to +1. The closer is the calculated value to ranges (to -1 or to +1) the more are the two variables more correlated. The coefficient of determination values range from 0 to +1. The closer the results are to +1, the better the model describes the dependence between the two variables. The results obtained by means of correlation analysis were for the correlation coefficient 0.454, and for the coefficient of determination 0.6411 respectively. Results of the correlation analysis show that the knowledge of coordinates of the entering wound has no prediction value for final position of the foreign body in the eye. These two variables are not correlated and so the accurate final position of the foreign body cannot be predicted. The final position of the intraocular metallic foreign body is probably influenced by biophysical factors not included in this study. |