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Related Experiment Videos

[Does corneal ocular "pseudo-hypertension" exist?].

I M Velten1, W M Budde, A Jünemann

  • 1Augenklinik mit Poliklinik der Universität Erlangen-Nürnberg. isabel.velten@augen.med.uni-erlangen.de

Klinische Monatsblatter Fur Augenheilkunde
|August 17, 1999
PubMed
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Elevated central corneal thickness (CCT) can lead to misdiagnosis of ocular hypertension. Corneal pachymetry is crucial before treatment to avoid unnecessary interventions for pseudohypertension.

Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Corneal Physiology

Background:

  • Goldmann applanation tonometry (GAT) and central corneal thickness (CCT) relationship studied for decades.
  • Elevated CCT noted in ocular hypertension patients compared to normal and glaucoma groups.

Observation:

  • Two sisters presented with elevated CCT and ocular hypertension based on GAT.
  • Intraocular pressure (IOP) readings were high (30 and 26 mm Hg).
  • Corneal pachymetry showed significantly increased CCT (700 and 680 microns).

Findings:

  • No functional or morphological glaucomatous changes were observed in either patient.
  • Corneal morphology was normal despite markedly elevated CCT.

Implications:

Related Experiment Videos

  • High CCT can cause misdiagnosis of ocular hypertension via GAT, leading to "pseudohypertension".
  • Corneal pachymetry is essential for accurate diagnosis in ocular hypertension suspects.
  • Pre-treatment pachymetry prevents unnecessary treatment for pseudohypertension.