To investigate the effect of corneal biomechanical properties on rebound tonometer in patients with normal tension glaucoma

The effect of corneal biomechanical properties on rebound tonometer in patients with normal tension glaucoma

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN16912051

Enrollment

160

Registered

2014-09-15

Start date

2013-01-01

Completion date

Unknown

Last updated

2021-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glaucoma Eye Diseases Glaucoma

Interventions

The participants have underwent the following ophthalmic examinations : slit lamp examination, fundoscopy, automated visual field examination, and IOP measurement with goldmann applanation tonometer,

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. >18 years of age 2. Clear corneas and clear ocular media 3. Best corrective visual acuity > 20/40 4. Refractive error within ¡À 5.0 diopter of 0, and astigmatism ¡À 3.0D of 0

Exclusion criteria

Exclusion criteria: 1. General condition : diabetes 2. Ocular condition : uveitis, secondary glaucoma, corneal abnormalities, nonglaucomatous optic neuropathies, previous trauma, ocular surgery or laser treatment, or any other eye diseases other than glaucoma

Design outcomes

Primary

Measure	Time frame
The corneal biomechanical factors on IOP measurements with rebound tonometer, ocular response analyzer, and goldmann applanation tonometer in both NTG patients and normal subjects	—

Secondary

Measure	Time frame
1. Agreements and reliability amongs various IOP measurements in NTG patients and normal subjects 2. Reliability and repeatability between rebound tonometer and other tonometers	—

Countries

Korea, South

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026