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[Use of AutoTopograf TMS-3 keratoconus screening program for keratoconus detection]
D Wygledowska-Promieńska1, I Zawojska
1I Katedry i Kliniki Okulistyki Slaskiej AM w Katowicach.
Purpose:
The purpose of this study was to investigate sensitivity of Klyce-Maeda and Smolek-Klyce methods in detection of early or suspect keratoconus by using AutoTopographer TMS-3 (Tomey).
Material And Methods:
At the First Department and Clinique of Ophthalmology, Silesian Medical School in Katowice, 175 eyes underwent ophthalmological examinations. There were 67 eyes with irregular astigmatism, 39 eyes with PRK decentration and 69 eyes with early or suspected keratoconus. The procedure was performed with the TMS-3 AutoTopographer (Tomey). During the study we investigated index definitions included in Keratoconus Screening Program.
Results:
The examination showed the false positive results: in irregular astigmatism (KSI index in 31.3%, KPI index in 10.4%), in PRK decentration (KSI and KPS index in 18%). The results of analysis of keratoconus detection by Keratoconus Screening Program in early or suspected keratoconus were false negative (it means there were no keratoconus symptoms) in KCI index--24.6%, in KSI index--11.6% and KPI index--21.7%.
Conclusion:
To sum up, we can say that Keratoconus Screening Program is a good program for confirming diagnosis of early keratoconus in 80%, but it has to be assisted by a clinical examination.
