NCT00744705

Brief Summary

The normal range of retinal nerve fiber layer thickness might be different between Asians and Caucasians. However, the recently developed imaging device such as the Cirrus HD OCT includes only the Caucasian data. So, the investigators want to find its normal range of in Asians.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
200

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2008

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 29, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 1, 2008

Completed
Same day until next milestone

Study Start

First participant enrolled

September 1, 2008

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2008

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2008

Completed
Last Updated

September 1, 2008

Status Verified

August 1, 2008

Enrollment Period

2 months

First QC Date

August 29, 2008

Last Update Submit

August 29, 2008

Conditions

Glaucoma

Keywords

Retinal nerve fiber layerGlaucomaMyopia

Outcome Measures

Primary Outcomes (1)

  • Retinal nerve fiber layer thickness

    when the OCT images are taking

Secondary Outcomes (2)

  • Refractive errors

    when the OCT images are taking

  • Intraocular pressure

    when the OCT images are taking

Study Arms (1)

1

Normal subjects who received routine health check-up in a comprehensive medical testing center

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Normal subjects who recieved a regular medical check-up in a comprehensive medical testing center of our institute

You may qualify if:

  • Normal subjects
  • Good quality of the OCT images (signal intensity \> 8)

You may not qualify if:

  • Any ocular history

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yongdong Severance Hospital, Yonsei University College of Medicine

Seoul, 135-720, South Korea

Location

MeSH Terms

Conditions

GlaucomaMyopia

Condition Hierarchy (Ancestors)

Ocular HypertensionEye DiseasesRefractive Errors

Study Officials

  • Gong Je Seong, MD, PhD

    Yonsei University

    STUDY CHAIR

Central Study Contacts

Gong Je Seong, MD, PhD

CONTACT

82-2-2019-3441gjseong@yuhs.ac

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER

Study Record Dates

First Submitted

August 29, 2008

First Posted

September 1, 2008

Study Start

September 1, 2008

Primary Completion

November 1, 2008

Study Completion

December 1, 2008

Last Updated

September 1, 2008

Record last verified: 2008-08

Locations

KR(1)