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Image analysis to improve diagnosis of exfoliation
P Puska1, R Sassi, A Tarkkanen
1Helsinki University Eye Hospital, University of Helsinki, Finland. paivi.puska@huch.fi
Purpose:
To improve visualization of exfoliation material in standard colour photographs by image analysis.
Methods:
Standard anterior segment colour photographs taken from 17 patients with known exfoliation were subjected to film scanning with a maximum accuracy of 3175 dpi.
Results:
Before image scanning, visualization of exfoliation was classified as barely visible in 10 (59%) patients and clearly visible in 7 (41%) patients. After the image scanning, exfoliation material became clearly visible in 13 (76%) patients and could easily be demonstrated.
Conclusion:
Diagnosis of exfoliation material can be improved by standard film scanning.
