Development of the New Visual Field Screening Software and Evaluation of Its Efficiency in Glaucoma Screening: A Pilot Study

Not Applicable

Recruiting

• Conditions: Glaucoma; Glaucoma, visual field, perimetry

• Registration Number: TCTR20150323001
• Lead Sponsor: Department of Ophthalmology, Faculty of Medicine, Chulalongkorn University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Completion: 2015-03-22
• Study Start: 2015-03-23
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 70

Inclusion Criteria

1. Glaucoma subject:
- Age >18 year
- Glaucomatous optic neuropathy and correlated visual field abnormalities,
- At least three repeatable SAP (Humphrey visual field analyzer, HFA, Carl Zeiss Meditec, Dublin, CA) results within six months before study
- Reliable Visual Field Result (fixation loss, false positive and false negative value < 30%)

2. Normal subject
- Age > 18 year
- No glaucomatous optic neuropathy
- Normal visual field from SAP (Humphrey visual field analyzer, HFA, Carl Zeiss Meditec, Dublin, CA) results within six months before study
- Reliable Visual Field Result (fixation loss, false positive and false negative value < 30%)

Exclusion Criteria

BCVA< 20/40
Myopia or Hyperopia > 6 D
Astigmatism > 3 D
Any disease the effect visual field (except glaucoma)

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
reliability and validity of new visual field test immediate agreement (Kappa), sensitivity, specificity, NPV, PPV

Secondary Outcome Measures

Name	Time	Method
Patient satisfaction immediate visual analog scale questionnaire