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Objective: To determine which ocular and systemic characteristics are associated with cystoid macular edema (CME) in patients with HLA-B27-associated uveitis.Methods: The authors reviewed the records of 129 patients (157 eyes) with HLA-B27-associated uveitis seen at the Massachusetts Eye and Ear Infirmary from June 1980 to June 1995. Data obtained from the records included: age, gender, duration of uveitis, follow-up duration, ocular and systemic findings, presence of CME, therapeutic intervention, and visual outcome.Results: Twenty-one of 157 eyes (13.4%) with HLA-B27-associated uveitis presented with or subsequently developed CME. In 14 (67%) eyes with CME, vitreous cells were noted either at presentation or during follow-up. Forty-nine of 136 eyes (36%) without CME had vitreous cells at presentation or developed vitreous cells during follow-up. The estimated odds ratio for developing CME associated with the presence of vitreous cells was 2.9 (95% confidence interval: 1.0-8.3). No other demographic, ocular, or systemic characteristics appeared to be associated with the presence of CME.Conclusion: The presence of vitreous cells in patients with HLA-B27-associated uveitis may indicate an increased risk of CME development. [ABSTRACT FROM AUTHOR]

PURPOSE: To evaluate the risk, risk factors, and visual impact of choroidal neovascularization (CNV) in uveitis cases. DESIGN: Retrospective cohort study. METHODS: Standardized medical record review at 5 tertiary centers. RESULTS: Among 15 137 uveitic eyes (8868 patients), CNV was rare in the cases of anterior or intermediate uveitis. Among the 4041 eyes (2307 patients) with posterior uveitis or panuveitis, 81 (2.0%) had CNV at presentation. Risk factors included posterior uveitis in general and specific uveitis syndromes affecting the outer retina-retinal pigment epithelium-choroid interface. Among the 2364 eyes (1357 patients) with posterior uveitis or panuveitis and free of CNV at the time of cohort entry, the cumulative 2-year incidence of CNV was 2.7% (95% confidence interval [CI], 1.8% to 3.5%). Risk factors for incident CNV included currently active inflammation (adjusted hazard ratio [aHR], 2.13; 95% CI, 1.26 to 3.60), preretinal neovascularization (aHR, 3.19; 95% CI, 1.30 to 7.80), and prior diagnosis of CNV in the contralateral eye (aHR, 5.79; 95% CI, 2.77 to 12.09). Among specific syndromes, the incidence was greater in Vogt-Koyanagi-Harada syndrome (aHR, 3.37; 95% CI, 1.52 to 7.46) and punctate inner choroiditis (aHR, 8.67; 95% CI, 2.83 to 26.54). Incident CNV was associated with a 2-line loss of visual acuity (D0.19 logarithm of the minimal angle of resolution units; 95% CI, 0.079 to 0.29) from the preceding visit. CONCLUSIONS: CNV is an uncommon complication of uveitis associated with visual impairment that occurs more commonly in forms affecting the outer retina-retinal pigment epithelium-choroid interface, during periods of inflammatory activity, in association with preretinal neovascularization, and in second eyes of patients with unilateral CNV. Because CNV is treatable, a systematic approach to early detection in high-risk patients may be appropriate. [ABSTRACT FROM AUTHOR]