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  • Title: Differences in the trabecular meshwork between Belgian and Congolese patients with open-angle glaucoma.
    Author: Pary-Van Ginderdeuren P, Kaimbo Wa Kaimbo D, Goethals M, Missotten L.
    Journal: Bull Soc Belge Ophtalmol; 1997; 267():183-90. PubMed ID: 9745829.
    Abstract:
    PURPOSE: To study the alterations of the trabecular meshwork of Belgian and Congolese patients with open angle glaucoma (OAG). METHODS: A trabeculectomy was performed in 27 OAG patients from Belgium and 24 from Congo; the trabecular specimens were fixed, embedded, stained, and studied by light microscopy. These specimens were compared with the trabecular meshworks from 5 Belgian non-glaucomatous eyes. RESULTS: The mean number (+/- standard deviation) of trabecular cells per field was 69 (+/- 10) in Belgian normal eyes, 34 (+/- 17) in Belgian OAG patients, and 10 (+/- 6) in Congolese OAG patients. The trabecular meshwork was collapsed and Schlemm's canal was closed in the cases with a diminished number of cells. Pigmentation was present in 79% of the Congolese and in 35% of the Belgian specimens. CONCLUSION: The trabecular meshwork from OAG patients has a lower cellularity than normal, and the effect is much more pronounced in the trabecular meshwork from Congolese patients. This may be a possible explanation for the racial differences in OAG and the more severe forms of glaucoma in black people.
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