Please use this identifier to cite or link to this item:
|Title:||Cataract conversion assessment using lens opacity classification system III and Wisconsin cataract grading system|
|Source:||Wong, W.L., Li, X., Li, J., Cheng, C.-Y., Lamoureux, E.L., Wang, J.J., Cheung, C.Y., Wong, T.Y. (2013-01). Cataract conversion assessment using lens opacity classification system III and Wisconsin cataract grading system. Investigative Ophthalmology and Visual Science 54 (1) : 280-287. ScholarBank@NUS Repository. https://doi.org/10.1167/iovs.12-10657|
|Abstract:||PURPOSE. To propose a general conversion approximation algorithm and illustrate its application to two cataract classification systems, the Lens Opacity Classification System III (LOCS III) and Wisconsin Cataract Grading System (Wisconsin system). METHODS. Lens opacity of 3265 participants (78.7% response rate) aged 40 to 80 years from the Singapore Malay Eye study were assessed both clinically during slit-lamp examination using LOCS III, and via slit-lamp and retro-illumination photographic grading using the Wisconsin system. Collapsed contingency tables were used to convert between the LOCS III and Wisconsin System. RESULTS. The conversion between the two cataract classification systems is affected by the direction of transformation. The conversion algorithm was validated and explained with an application example. CONCLUSIONS. An approximate conversion algorithm for any two cataract grading systems was proposed and applied to the LOCS III and Wisconsin system. These findings provide general ways to pool and compare cataract prevalence using different grading systems in epidemiological studies. © 2013 The Association for Research in Vision and Ophthalmology, Inc.|
|Source Title:||Investigative Ophthalmology and Visual Science|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Dec 13, 2017
WEB OF SCIENCETM
checked on Nov 15, 2017
checked on Dec 16, 2017
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.