Cause of Pigment Dispersion Syndrome
Glaucoma, Healthy, Pigment Dispersion Syndrome
About this trial
This is an observational trial for Glaucoma focused on measuring Pigment Dispersion, Ocular Hypertension, Glaucoma, Pupil Reaction, Natural History, Pigment Dispersion Syndrome, Gene Mutation
Eligibility Criteria
INCLUSION CRITERIA: All patients entering the study must have black pigment deposition on the trabecular meshwork at the site of Schlemm's canal equal to or greater than 2-plus on the goniophotographic scale of 1 to 5 plus. Although this condition is rare amongst African-Americans, every effort will be made to recruit such individuals. EXCLUSION CRITERIA: Patients with exfoliation syndrome, uveitis, trauma, pigment dispersion with posterior chamber intra-ocular lens, pigmented tumors, primary open-angle glaucoma, other conditions with associated pigment dispersion such as acute angle-closure glaucoma, ocular hemorrhage, Horner's syndrome. In addition, normal volunteers will be recruited as controls. They will be free of any eye disease and be matched for age, sex and degree of myopia.
Sites / Locations
- National Eye Institute (NEI)