What is the role of pachymetry in the evaluation of primary open-angle glaucoma (POAG)?

Updated: Mar 16, 2020
  • Author: Kristin Schmid Biggerstaff, MD; Chief Editor: Inci Irak Dersu, MD, MPH  more...
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A pachymeter is used to measure CCT. According to the OHTS, pachymetry is now the criterion standard for every baseline examination in patients who are at risk for or suspected of having glaucoma (see the image below).

Ocular hypertension study (OHTS). Percentage of pa Ocular hypertension study (OHTS). Percentage of patients who developed glaucoma during this study, stratified by baseline intraocular pressure (IOP) and central corneal thickness (CCT).

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