We updated the design of this site on December 18, 2017. Learn more.
ClinicalTrials.gov Menu

Screening for Glaucoma in Namil Area, South Korea

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT00727168
Recruitment Status : Completed
First Posted : August 1, 2008
Last Update Posted : August 4, 2008
Information provided by:
Korean Glaucoma Society

July 30, 2008
August 1, 2008
August 4, 2008
November 2007
February 2008   (Final data collection date for primary outcome measure)
Prevalence of glaucoma in Namil area [ Time Frame: cross-sectional ]
Same as current
Complete list of historical versions of study NCT00727168 on ClinicalTrials.gov Archive Site
Clinical factors associated with the glaucoma [ Time Frame: cross-sectional ]
Same as current
Not Provided
Not Provided
Screening for Glaucoma in Namil Area, South Korea
Epidemiologic Study for the Prevalence of Glaucoma in Namil Area, Geumsan City, South Korea
The purpose of this study is to study the prevalence of glaucoma in Korea, the investigators selected Namil area in Geumsan city, located in central Korea. The residents aged over 40 in this area are to be recruited to full ophthalmologic examination to detect and classify the glaucoma.
Screening includes following examinations; Questionaire and Consent form, Visual acuity test, Auto-refraction, IOL Master measurement, Pachymetry, FDT Perimetry, Fundus Photography, Slit lamp examination, Goldmann applanation Tonometry, Gonioscopy, and Binocular optic disc evaluation. For the cases showing any abnormality in FDT perimetry, optic disc morphology, or intraocular pressure, Humphrey automated visual field test is to be performed as an extended examination. Finally, optic nerve head evaluation by OCT or GDx analyzer is to be used as a confirmation test, as well as additional Humphrey visual field test.
Observational Model: Cohort
Time Perspective: Cross-Sectional
Not Provided
Not Provided
Probability Sample
All residents aged over 40 in Namil area in Geumsan city
  • Glaucoma
  • Intraocular Pressure
  • Optic Nerve Head
  • Visual Field
Not Provided
Not Provided
Kim YY, Lee JH, Ahn MD, Kim CY; Namil Study Group, Korean Glaucoma Society. Angle closure in the Namil study in central South Korea. Arch Ophthalmol. 2012 Sep;130(9):1177-83.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
February 2008
February 2008   (Final data collection date for primary outcome measure)

Inclusion Criteria:

  • All residents aged over 40 in Namil area

Exclusion Criteria:

  • Individuals registered but not actually living in this area
Sexes Eligible for Study: All
40 Years and older   (Adult, Senior)
Contact information is only displayed when the study is recruiting subjects
Korea, Republic of
Not Provided
Not Provided
Gong-je Seong, president, Korean Glaucoma Society
Korean Glaucoma Society
Not Provided
Principal Investigator: Gong-je Seong, MD, PhD Korean Glaucoma Society
Korean Glaucoma Society
August 2008