Status:
COMPLETED
Trial Comparing Part-time Versus Full-time Patching for Severe Amblyopia
Lead Sponsor:
Jaeb Center for Health Research
Collaborating Sponsors:
National Eye Institute (NEI)
Conditions:
Amblyopia
Eligibility:
All Genders
3-7 years
Phase:
PHASE3
Brief Summary
The goals of this study are: * To determine whether the visual acuity improvement obtained with part-time (6 hours) patching is equivalent to the visual acuity improvement obtained with full-time pat...
Detailed Description
Amblyopia is the most common cause of monocular visual impairment in both children and young and middle-aged adults. Patching has been the mainstay of amblyopia therapy. It is generally held that the ...
Eligibility Criteria
Inclusion
- Patients must be less than 7 years of age with the original cause of amblyopia as strabismus or anisometropia (a refractive error difference of more than one diopter between the two eyes.)
- Visual acuity in the amblyopic eye must be between 20/100 and 20/400.
- Visual acuity in the sound eye of 20/40 or better.
- There must be at least 3 lines of acuity difference between the two eyes.
Exclusion
- Patching treatment (other than spectacles) within six months prior to enrollment and other amblyopia treatment of any type used within one month prior to enrollment.
Key Trial Info
Start Date :
May 1 2001
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
September 1 2003
Estimated Enrollment :
175 Patients enrolled
Trial Details
Trial ID
NCT00094744
Start Date
May 1 2001
End Date
September 1 2003
Last Update
September 9 2010
Active Locations (1)
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1
Wilmer Eye Institute
Baltimore, Maryland, United States, 21287-9028