Status:
COMPLETED
Visual Function and Ocular Pigmentation in Albinism
Lead Sponsor:
National Eye Institute (NEI)
Conditions:
Albinism
Albinism, Ocular
Eligibility:
All Genders
Brief Summary
To study the relationship between visual function and ocular (iris, retina/choroidal) pigmentation in patients with albinism and other hypomelanotic disorders. To identify the carrier state in relativ...
Detailed Description
Visual function and ocular pigmentation are being studied in patients with albinism and other disorders associated with hypopigmentation. The degree of ocular pigmentation is assessed clinically by es...
Eligibility Criteria
Patients have been recruited into the study by referral from an ophthalmologist or pediatrician.
Entrance into the study was dependent upon clinical evidence of decreased or absent pigmentation in skin, hair, and/or eyes.
The definition was purposefully broad to include the broad range of phenotype variations and clinical heterogeneity.
The purpose of the study id to be able to document iris and retina/choroidal pigmentation and correlated these finding with visual function.
Key Trial Info
Start Date :
June 1 1976
Trial Type :
OBSERVATIONAL
End Date :
May 1 2000
Estimated Enrollment :
130 Patients enrolled
Trial Details
Trial ID
NCT00001153
Start Date
June 1 1976
End Date
May 1 2000
Last Update
March 4 2008
Active Locations (1)
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1
National Eye Institute (NEI)
Bethesda, Maryland, United States, 20892