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NCT00742196 Clinical Trial

Retinal Nerve Fiber Layer Thickness Measurement on Parapapillary Atrophy With the Cirrus High-Definition (HD) Optical Coherence Tomography (OCT)

Glaucoma Clinical Trial

Official title:
Retinal Nerve Fiber Layer Thickness Measurement on Parapapillary Atrophy With

Clinical Trial Details — Status: Not yet recruiting

Administrative data
NCT number NCT00742196
Other study ID # 3-2008-0076-2
Secondary ID
Status Not yet recruiting
Phase N/A
First received August 26, 2008
Last updated August 26, 2008
Start date September 2008
Est. completion date March 2009

Study information
Verified date August 2008
Source Yonsei University
Contact Gong Je Seong, MD, PhD
Phone 82-2-2019-3441
Email gjseong@yuhs.ac
Is FDA regulated No
Health authority Korea: Food and Drug Administration
Study type Observational

Clinical Trial Summary

Retinal nerve fiber layer (RNFL) thickness measurement on the parapapillary atrophy is incorrect. Because a new spectral domain OCT, the Cirrus HD OCT, uses a movable circle to analyze the RNFL thickness, we may suggest a new analysis strategy for the parapapillary atrophy.

Description:

Recently, the retinal nerve fiber layer (RNFL) thickness measurement using the optical coherence tomography (OCT) becomes very useful to detect such a glaucomatous damage. However, there are some difficult cases including parapapillary atrophy to perform this measurement. Because the RNFL thickness is so sensitive to the position of measurement and the measurement of RNFL thickness on parapapillary atrophy is incorrect, it is difficult to determine exact RNFL thickness in patients with a large parapapillary atrophy. In the present study, we want to find the proper method to analyze the RNFL thickness on parapapillary atrophy. The previous OCT used a fixed circle to measure the RNFL thickness, but the new spectral domain OCT, the Cirrus HD OCT, uses a movable one. Therefore, we may suggest a new analysis strategy for the parapapillary atrophy.

Recruitment information / eligibility
Status Not yet recruiting
Enrollment 30
Est. completion date March 2009
Est. primary completion date December 2008
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria:

- Qualified OCT images (signal strength > or = 8)

Exclusion Criteria:

- Previous intraocular surgery history

- Media opacity

- DM

Study Design

Observational Model: Case Control, Time Perspective: Retrospective

Related Conditions & MeSH terms

Locations
Country Name City State
Korea, Republic of Gong Je Seong Seoul

Sponsors (1)
Lead Sponsor Collaborator
Yonsei University

Country where clinical trial is conducted

Korea, Republic of, 

Outcome
Type Measure Description Time frame Safety issue
Primary Retinal nerve fiber layer thickness when the OCT images are taking No
Primary Size of parapapillary atrophy when the OCT images are taking No
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