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[Manual endothelial cell enumeration for transplanted corneas in comparison to software controlled, automatic
1Augenklinik und Poliklinik des Universitätsklinikums des Saarlandes, Homburg (Saar). lions.hornhautbank@uniklinik-saarland.de
Klinische Monatsblatter Fur Augenheilkunde
|July 6, 2004
Summary
Manual endothelial cell counts in human donor corneas can be replaced by automated analysis. The NAVIS(R) system provides comparable results, ensuring cornea transparency assessment accuracy.
Area of Science:
- Ophthalmology
- Cell Biology
- Medical Technology
Background:
- Endothelial cell evaluation is crucial for assessing human donor cornea viability.
- Cell number, morphology, and vitality directly impact corneal transparency.
- Accurate assessment ensures suitability for transplantation.
Purpose of the Study:
- To compare manual endothelial cell counts with automated counts using the NAVIS(R) system.
- To determine if automated analysis offers a reliable alternative for routine assessment.
- To validate the NAVIS(R) system for human donor cornea evaluation.
Main Methods:
- Manual cell counting involved microscopic photography, grid application, and manual projection.
- Automated counting used software analysis on digital images with manual correction.
- Both methods were applied to 57 donor corneas from 35 patients.
Main Results:
- No statistically significant differences were observed between manual and automated cell counts.
- The NAVIS(R) system demonstrated comparable accuracy to manual methods.
- Automated analysis provides reliable data for endothelial cell assessment.
Conclusions:
- Software-controlled automatic analysis can replace manual endothelial cell counting.
- The NAVIS(R) system offers an efficient and accurate method for corneal evaluation.
- Automated analysis streamlines the assessment process for donor corneas.