Related Experiment Videos
Pigmentary glaucoma in the black population
1Lions Eye Research Laboratories, LSU Eye Center, New Orleans 70112.
American Journal of Ophthalmology
|May 15, 1990
Summary
Pigment dispersion syndrome typically affects young, myopic white males. This study found pigment dispersion syndrome in older black individuals, predominantly women with hyperopia, presenting atypical features.
Area of Science:
- Ophthalmology
- Genetics
Background:
- Pigment dispersion syndrome (PDS) is often linked to secondary open-angle glaucoma.
- It predominantly affects young, myopic, white males.
Purpose of the Study:
- To characterize pigment dispersion syndrome in black individuals.
- To identify atypical features of PDS in this population.
Main Methods:
- Retrospective case series of 20 black patients (38 eyes) with PDS.
- Analysis of clinical features including age, refractive error, iris characteristics, and intraocular pressure.
Main Results:
- Patients were older (average 73 years) with a female preponderance (19/20).
- Hyperopia (median +2.15 D) and absence of iris transillumination defects were noted.
- Flatter iris insertion into the ciliary body was observed.
Conclusions:
- PDS in black individuals can present atypically, associated with older age, hyperopia, and female sex.
- These findings suggest a distinct demographic and clinical profile for PDS in the black population.