GAT-DCT-Discordance Due to Corneal Properties

University of Zurich112 enrolled

Overview

IOP is measured with two devices (Dynamic Contour Tonometry (DCT) and Goldmann applanation tonometry (GAT)).

DCT reading will be compared to a corrected GAT reading by the formula of Elsheikh, Alhasso and Pye. * Trial with medical device

Study Type

OBSERVATIONAL

Enrollment

112

Conditions

Glaucoma

Interventions

Intraocular Pressure MeasurementDEVICE

Intraocular pressure is measured with GAT and with DCT

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion criteria: * clinical diagnosis of glaucoma Exclusion criteria: * other optic neuropathy other then glaucoma * age\<18 * corneal surgery * use of contact lenses

Locations (1)

University Hospital Zurich, Ophthalmic Clinic

Zurich, Canton of Zurich, Switzerland

Outcomes

Primary Outcomes

Intraocular pressure (IOP)

IOP is measured with goldman-applanation tonometer and dynamic-contour-tonometer at the only study visit (V0)

Time frame: IOP is measured at the only study visit

Secondary Outcomes

Demographical and clinical data

Age, axial length of the eye, central corneal thickness

Time frame: study visit V0

Data from ClinicalTrials.gov

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