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1 General aspects (0)   1.1 Epidemiology (5)   1.2 Population genetics (19)   1.3 Pathogenesis (9)   1.4 Quality of life (2)   1.5 Glaucomas as cause of blindness (0)   1.6 Prevention and screening (5) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (0)   2.2 Cornea (6)   2.3 Sclera (0)   2.4 Anterior chamber angle (0)   2.5 Meshwork (6)     2.5.1 Trabecular meshwork (0)     2.5.2 Schlemms canal (0)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (2)     2.6.1 Production (0)     2.6.2 Outflow (0)       2.6.2.1 Trabecular meshwork (0)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (0)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (0)   2.9 Ciliary body (0)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (0)   2.13 Retina and retinal nerve fibre layer (16)   2.14 Optic disc (18)   2.15 Optic nerve (0)   2.16 Chiasma and retrochiasmal central nervous system (0)   2.17 Stem cells (0)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (1)   3.2 Electron microscopy (0)   3.3 Immunohistochemistry (2)   3.4 Molecular genetics (1)     3.4.1 Linkage studies (0)     3.4.2 Gene studies (0)   3.5 Molecular biology incl. 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Miscellaneous (7)

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Abstract #15884 Published in IGR 2-3

Analysis of the blood-aqueous barrier by measurement of aqueous flare in 31 eyes with Fuchs' heterochromic uveitis with and without secondary open-angle glaucoma

Kuchle M; Nguyen NX
Klinische Monatsblätter für Augenheilkunde 2000; 217: 159-162

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BACKGROUND: Fuchs' heterochromic uveitis is characterized by low-grade intraocular inflammation and a relatively benign clinical course. It was the aim of this study to quantitatively determine alterations of the blood-aqueous barrier in this disease by measuring the aqueous flare. METHODS: Thirty-one affected eyes of 31 patients with the characteristic clinical picture of Fuchs' heterochromic uveitis, 31 apparently unaffected contralateral eyes, and 120 age and sex-matched normal control eyes, were included in this retrospective study. Five of the eyes with Fuchs' heterochromic uveitis showed signs of secondary open-angle glaucoma. Determination of aqueous flare was performed in all eyes using the laser flare-cell meter FC-1000 (Kowa, Japan) after pupillary dilation. RESULTS: Aqueous flare values were moderately but significantly increased in eyes with Fuchs' heterochromic uveitis (mean 12.1 ± 3.6 photon counts/msec) in comparison to normal control eyes (4.1 ± 1.3 photon counts/msec, p < 0.001). Flare values of apparently unaffected contralateral eyes (mean 3.9 ± 1.1 photon counts/msec) did not differ from normal control eyes (p = 0.5). In the group of eyes with Fuchs' heterochromic uveitis, aqueous flare was comparable in eyes with and without secondary open-angle glaucoma (11.9 ± 2.5 versus 12.1 ± 3.8 photon counts/msec, p = 0.9). CONCLUSIONS: The alteration of the blood-aqueous barrier in patients with Fuchs' heterochromic uveitis is unilateral and relatively mild, corresponding to the well-known clinical picture of the disease. Secondary open-angle glaucoma appears not to be associated with additional increase of aqueous flare. The unilaterality and the relatively homogeneous distribution of the degree of increased aqueous flare values support the clinical impression that Fuchs' heterochromic uveitis is a distinct clinical entity that should be differentiated from other variants of chronic anterior uveitis.LA: German

Dr. M. Kuchle, Augenklinik mit Poliklinik, Universität Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany

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Classification:

9.4.6 Glaucomas associated with inflammation, uveitis (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders)

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