- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00804869
A-Mode vs PalmScan Ultrasonography: Biometric Measurements.
December 6, 2008 updated by: Asociación para Evitar la Ceguera en México
Standard A-Mode Ultrasonography vs PalmScan Ultrasonography: Biometric Measurements.
Ultrasonography has become a critical ancillary test in the clinical practice of ophthalmology.
It is commonly used as a standardized method for assessing intraocular biometry.
The PalmScan ultrasonography (PsU) is a portable A-scan device that uses the same principles as the standard A-scan.
The aim of the study is to compare the reliability of their measurements, in order to use them indistinctively.
Study Overview
Status
Completed
Study Type
Observational
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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DF
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Mexico, DF, Mexico, 04030
- Asociación Para Evitar la Ceguera en México
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
50 years to 90 years (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Sampling Method
Probability Sample
Study Population
All patients who need axial length calculation.
Description
Inclusion Criteria:
- Patients with indication for a standard A-mode ultrasound
Exclusion Criteria:
- No superficial anormalities.
- Patients with external injuries.
- Intraocular silicon oil.
- Retinal detachment
- Significant ocular pathologies.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
1
PalmScan biometric group
|
PalmScan biometric measurements
|
2
A-mode ultrasonography biometric group
|
A-mode biometric measurements group
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
axial length (AL).
Time Frame: during examination
|
during examination
|
Anterior Chamber Deep (ACD)
Time Frame: during examination
|
during examination
|
Lens Thickness (LT)
Time Frame: during examination
|
during examination
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
October 1, 2008
Primary Completion (ACTUAL)
December 1, 2008
Study Registration Dates
First Submitted
December 3, 2008
First Submitted That Met QC Criteria
December 6, 2008
First Posted (ESTIMATE)
December 9, 2008
Study Record Updates
Last Update Posted (ESTIMATE)
December 9, 2008
Last Update Submitted That Met QC Criteria
December 6, 2008
Last Verified
December 1, 2008
More Information
Terms related to this study
Other Study ID Numbers
- APEC-037
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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