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

Not Applicable

• Conditions: Glaucoma; Eye Diseases

• Registration Number: ISRCTN16912051
• Lead Sponsor: Pusan National University Hospital (South Korea)

Brief Summary

2015 results in https://pubmed.ncbi.nlm.nih.gov/25308786/ (added 12/02/2021)

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2014-09-15
• Last Update Posted: 22 February 2021
• Study Completion: 2023-01-01

Recruitment & Eligibility

• Status: Ongoing
• Sex: All
• Target Recruitment: 186

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

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

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
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 Outcome Measures

Name	Time	Method
<br> 1. Agreements and reliability amongs various IOP measurements in NTG patients and normal subjects<br> 2. Reliability and repeatability between rebound tonometer and other tonometers<br>