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Prevalence of Angle Closure in Caucasian Hyperopes

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified January 2009 by Assaf-Harofeh Medical Center.
Recruitment status was:  Recruiting
Information provided by:
Assaf-Harofeh Medical Center Identifier:
First received: January 15, 2009
Last updated: April 4, 2011
Last verified: January 2009
The primary purpose of this study is to assess the prevalence of asymptomatic chronic angle closure in high risk Caucasian individuals, namely those with hyperopia. A secondary purpose is to assess whether specific demographic or ocular-anatomic parameters in this population are associated with a higher risk for angle closure.

Chronic Angle Closure Glaucoma

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Prevalence of Chronic Angle Closure in Caucasian Hyperopic Subjects

Resource links provided by NLM:

Further study details as provided by Assaf-Harofeh Medical Center:

Primary Outcome Measures:
  • prevalence of chronic angle closure in Caucasian hyperopes [ Time Frame: 1 year ]

Secondary Outcome Measures:
  • relative risk for chronic angle closure measured for demographic and ocular-anatomic parameters [ Time Frame: 1 year ]

Estimated Enrollment: 100
Study Start Date: January 2009
Detailed Description:
Caucasian subjects aged > 40 years with hyperopia will undergo complete eye examination including subjective refraction and gonioscopy. In addition we will measure axial length, anterior chamber depth and lens thickness using ultrasound biometry.

Ages Eligible for Study:   40 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Caucasian subjects aged 40 years or more with hyperopia

Inclusion Criteria:

  • Age greater than 40 years
  • Hyperopia greater then +1.00 D spherical equivalent

Exclusion Criteria:

  • Any identifiable eye disease or previous eye surgery that can affect the anatomy of the irido-corneal angle
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00823706

Contact: yaniv barkana, md 97289779358

Assaf Harofe Medical Center Ophthalmology Department Recruiting
Zerifin, Israel, 70300
Contact: Yaniv Barkana   
Sponsors and Collaborators
Assaf-Harofeh Medical Center
  More Information

Responsible Party: Yaniv Barkana, MD, Assaf-Harofeh Medical Center, Department of Ophthalmology Identifier: NCT00823706     History of Changes
Other Study ID Numbers: 122/08
Study First Received: January 15, 2009
Last Updated: April 4, 2011

Keywords provided by Assaf-Harofeh Medical Center:
chronic angle closure hyperopia

Additional relevant MeSH terms:
Glaucoma, Angle-Closure
Ocular Hypertension
Eye Diseases processed this record on September 21, 2017