Journals / Glokom Katarakt / 2013 / Cilt: 8 - Sayı: 4

Dinamik kontür tonometrenin goldmann applanasyon tonometre, non-kontakt tonometre ve tono-pen ile karşılaştırılması ve gözün yapısal özelliklerinin ölçümlerle ilişkisi

The comparison of dynamic contour tonometry with goldmann applanation tonometry, non-contact tonometry and tono-pen; and the association of measurements with ocular structures

Pages
244–248
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

GAT and NCT readings were significantly higher in eyes with thick cornea compared to eyes with thin cornea.

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: To compare the intraocular pressure (IOP) measured by dynamic contour tonometry (DCT), Goldmann applanation tonometry (GAT), non-contact tonometry (NCT) and Tono-Pen and also to assess whether ocular parameters such as corneal thick- ness, keratometry and axial length affect the measurements by the tonometers.
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Key Findings & Data:Results: DCT readings were higher than NCT (&#916;IOP=2.0±3.2 mmHg, p<0.001) and GAT (&#916;IOP=1.3±2.1 mmHg, p=0.003) but not Tono-Pen (&#916;IOP=0.1±2.7 mmHg, p=0.981).
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Conclusion & Impact:GAT and NCT readings were significantly higher in eyes with thick cornea compared to eyes with thin cornea.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Purpose: To compare the intraocular pressure (IOP) measured by dynamic contour tonometry (DCT), Goldmann applanation tonometry (GAT), non-contact tonometry (NCT) and Tono-Pen and also to assess whether ocular parameters such as corneal thick- ness, keratometry and axial length affect the measurements by the tonometers. Materials and Methods: One hundred healthy subjects prospectively underwent IOP measurement with DCT, GAT, NCT and Tono-Pen. The correlation between the tonometer readings as well as the effect of keratometry, central corneal thickness (CCT), axial length and anterior chamber depth on IOP measurements were assessed. Results: DCT readings were higher than NCT (&#916;IOP=2.0±3.2 mmHg, p<0.001) and GAT (&#916;IOP=1.3±2.1 mmHg, p=0.003) but not Tono-Pen (&#916;IOP=0.1±2.7 mmHg, p=0.981). DCT, GAT and NCT correlated positively with CCT (p=0.039, p=0.020 and p=0.001). GAT and NCT readings were significantly higher in eyes with thick cornea (>568 &#956;m) compared to eyes with thin cornea (<535 &#956;m) (p=0.021 and p=0.003). Ocular parameters other than CCT did not have a significant effect on the readings of tonometers. Conclusion: Despite significant correlation; DCT readings were higher than GAT and NCT but not Tono-Pen. DCT, NCT and GAT readings significantly correlated with CCT. GAT and NCT readings were significantly higher in eyes with thick cornea compared to eyes with thin cornea.

Özet

Amaç: Dinamik kontür tonometre (DKT), Goldmann applanasyon tonometre (GAT), non-kontakt tonometre (NKT) ve Tono-pen ile ölçülen göz içi basınçlarının (GİB) kıyaslanması ve santral korneal kalınlık (SKK), keratometri ve aksiyel uzunluk gibi oküler parametrelerin tonometre ölçümlerine olan etkilerinin araştırılması. Gereç ve Yöntem: Prospektif olarak gerçekleştirilen çalışmada, 100 sağlıklı erişkinin GİB ölçümleri DKT, GAT, NKT ve Tono- pen ile gerçekleştirildi. Tonometre ölçümlerinin birbirleriyle korelasyonuna ek olarak, keratometri, SKK, aksiyel uzunluk ve ön kamara derinliğinin GİB ölçümlerine olan etkisi araştırıldı. Bulgular: DKT ölçümleri NKT (ΔIOP=2.0±3.2 mmHg, p 568 μm), ince kornealara (<535 μm) göre daha yüksek izlendi (p=0.021 and p=0.003). SKK dışındaki oküler parametrelerin tono- metre ölçümleri üzerine anlamlı bir etkisi saptanmadı. Sonuç: Tonometriler arasındaki anlamlı korelasyona ragmen, DKT ölçümlerinin GAT ve NKT’den daha yüksek olduğu, Tono-pen ölçümlerinden farklı olmadığı izlendi. DKT, GAT, NCT ve SKK arasında anlamlı bir korelasyon saptandı. GAT ve NKT ölçümlerinin kalın kornealarda ince kornealara göre daha yüksek olduğu görüldü.

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Cite This Article

ÇETİN, E. N., YAYLA, K., ÖZTUNA, D., AVUNDUK, A., YAYLALI, V., YILDIRIM, C. (2013). Dinamik kontür tonometrenin goldmann applanasyon tonometre, non-kontakt tonometre ve tono-pen ile karşılaştırılması ve gözün yapısal özelliklerinin ölçümlerle ilişkisi. Glokom Katarakt, Cilt: 8 - Sayı: 4, 244–248. https://ajindex.com/articles/213652

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