[Comparison of dynamic contour tonometry, Goldmann applanation Tonometry and tonopen for measuring intraocular pressure in normal tension glaucoma].

Shimon Kurtz, Uri Soiberman, Gabi Shemesh

Research output: Contribution to journalArticle

Abstract

Normal tension glaucoma (NTG) is a chronic progressive optic neuropathy, characterized by relatively normal intraocular pressure (IOP) measurements. This study utilized three modalities in the measurement of lOP: dynamic contour tonometry (Pascal-DCT), Goldmann applanation tonometry (GAT) and Tonopen XL. To compare the lOP measurements of the three devices in eyes with NTG. This retrospective study of thirty-three NTG patients (66 eyes) who underwent lOP measurements using the three devices was approved by a local ethics committee. The lOP measurements were stratified according to central corneal thickness (CCT) and corneal curvature (CC). The mean DCT IOP was higher (16.22 +/- 3.04 mmHg) than the mean GAT IOP (13.14 +/- 2.83 mmHg, P < 0.0042). The mean Tonopen XL lOP was lower than the mean GAT IOP (12.76 +/- 3.11 mmHg, P < 0.001). GAT and DCT measurements were significantly infLuenced by corneal curvature (P = 0.004 and P < 0.0001, respectiveLy). lOPs measured by GAT or Tonopen XL were consistently lower than by DCT. CC significantly influenced GAT and DCT results.

Original languageEnglish (US)
JournalHarefuah
Volume152
Issue number11
StatePublished - Nov 2013
Externally publishedYes

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Low Tension Glaucoma
Manometry
Intraocular Pressure
Equipment and Supplies
Ethics Committees
Optic Nerve Diseases
Retrospective Studies

ASJC Scopus subject areas

  • Medicine(all)

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[Comparison of dynamic contour tonometry, Goldmann applanation Tonometry and tonopen for measuring intraocular pressure in normal tension glaucoma]. / Kurtz, Shimon; Soiberman, Uri; Shemesh, Gabi.

In: Harefuah, Vol. 152, No. 11, 11.2013.

Research output: Contribution to journalArticle

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