Reliability and Reproducibility of the Eye Check Tonometer

Stopped early · Not applicable

Conditions studied: Glaucoma, Glaucoma, Suspect

In brief

To investigate whether the new applanation tonometer (EyeCheck monitor) can provide intraocular pressure (IOP) measurements comparable to those of traditional tonometers such as the Goldmann applanation tonometer and the Tonopen.

Key facts

Study ID

NCT04639947

Run by

Duke University

People needed

22

Starts

2021-01-06

Expected to finish

2021-12-02

Last updated by the study team

2026-05-05

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age of 18 years or older,
• Any glaucoma patient or glaucoma suspect patient
• Presents for an appointment wearing their own soft contact lens.

You may not qualify if…

• Arthritis affecting the upper extremity in the patient or caregiver
• Patient unwilling or assessed to be unable to comply with the study protocol
• Any corneal abnormalities such as opacities, scars, Fuchs dystrophy, map dot fingerprint dystrophy, history of recurrent corneal abrasion, corneal surgery such as Lasik, PRK, DSAEK, transplant or implant
• History of any ongoing ocular symptoms such as eye pain or redness or discharge
• History of recent ocular surgery (done in the past 3 months)
• History of a any filtering or tube surgery for glaucoma (to reduce risk of infection associated complications)
• Recent eye infection (within the past 3 months)
• History of diabetes for > 5 years duration
• Monocular patient
• Best corrected visual acuity< 20/70
• Head or hand tremors

Where it is running

• Duke Eye Center — Durham, North Carolina, United States

Full record on ClinicalTrials.gov

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