Sources of variance in the objective documentation of human cataractous change with Topcon SL-45 and Neitz-CTR retroillumination photography and computerized image analysis
- 1 January 1987
- journal article
- research article
- Published by Taylor & Francis in Current Eye Research
- Vol. 6 (12), 1381-1390
- https://doi.org/10.3109/02713688709044501
Abstract
In the application of Topcon SL-45 Scheimpflug slit and Neitz CTR retroillumination photography to in vivo documentation of cataractous change, several sources of variance affect the results of each technique. We have measured the between-person, between-photographer, between-focal plane (Neitz), between-photo session, replicate photograph (Topcon), between-image analyst and replicate image analysis variances encountered in in vivo documentation of human cataracts with the Topcon SL–45 and Neitz-CTR cameras and our system of computerized image analysis.Keywords
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