Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Buehl, W; Findl, O; Menapace, R; Georgopoulos, M; Rainer, G; Wirtitsch, M; Siegl, H; Pinz, A.
Reproducibility of standardized retroillumination photography for quantification of posterior capsule opacification.
J Cataract Refract Surg. 2002; 28(2):265-270
Doi: 10.1016/S0886-3350(01)01228-7
Web of Science
PubMed
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- Co-Autor*innen der Med Uni Graz
- Wirtitsch Matthias
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- Abstract:
- PURPOSE: To determine the short-term reproducibility of standardized digital retroillumination images of regeneratory posterior capsule opacification (PCO) using the photographic setup at 1 institution. SETTING: Department of Ophthalmology, University of Vienna, Vienna, Austria. METHODS: In this prospective study, 60 retroillumination images of 30 eyes with varying degrees of PCO and different types of intraocular lenses were acquired with a standardized digital coaxial retroillumination system. Two images were taken per eye with a 1-minute interval between images. Ten other eyes were photographed in the same way but with a 5-day interval between the 2 images. All images were evaluated with a fully automated, objective PCO analysis software in which the PCO score was from 0 to 100. The 2 results (A, B) in each eye were compared, and the differences were calculated. RESULTS: There was a high correlation between the A and B results (r = 0.99). The mean absolute difference was 3.7%. The repeatability coefficient was 8.8%. CONCLUSION: Digital coaxial retroillumination photography provided quick acquisition of regeneratory PCO images. It provided excellent image quality and high reproducibility. The technique forms a good basis for automated quantification of PCO with new software systems.
- Find related publications in this database (using NLM MeSH Indexing)
- Cataract - diagnosis
- Diagnostic Techniques, Ophthalmological - diagnosis
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- Lens Capsule, Crystalline - pathology
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- Lenses, Intraocular - pathology
- Phacoemulsification - pathology
- Photography - methods
- Postoperative Complications - diagnosis
- Prospective Studies - diagnosis
- Reproducibility of Results - diagnosis