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Barbara Borges, André Vicente, Rita Anjos, luisa vieira, Arnaldo Dias Santos, Joana Ferreira, Vitor Maduro, Nuno Alves, João Feijão; Corneal thickness and Intraocular pressure After DSAEK: comparison of Dynamic Contour tonometry with Goldmann Applanation tonometry. Invest. Ophthalmol. Vis. Sci. 2014;55(13):995.
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© ARVO (1962-2015); The Authors (2016-present)
To compare intraocular pressure (IOP) measurements with dynamic contour tonometry (DCT) and Goldmann applanation tonometry (GAT) after Descemet’s stripping automated keratoplasty (DSAEK).
Transverse observational study of 22 eyes of 19 patients with successful DSAEK. IOP was measured with DCT and GAT and central corneal thickness (CCT) was determined using anterior chamber OCT. IOP measurements were compared and the CCT influence was evaluated. A control group with 22 eyes of 17 patients was also created.
Mean IOP in pressure in patients with DSAEK evaluated by GAT was 13,9±3,7 and 17,4±3,3 with DCT. Mean CCT in these patients was 601,8±58,9. In the control group mean IOP evaluated by GAT was 13,5±2,4 and by DCT was 16,5±2,6. In this group mean CCT was 535,1±39,1. The IOP values obtained with DCT were in average higher than those obtained with GAT in both samples. The difference between the two IOP evaluating methods was similar in both groups. In the group of patients with DSAEK, no statiscally significant correlation was found between CCT and the different IOP evaluating methods.
The IOP difference between GAT and TCD was not influenced in a statistically significant way by the CCT that was artificially increased in the patients with DSAEK. Therefore, both GAT and CCT can be used safely and reliably in these patients.
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