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Purpose: To characterize cat-scratch disease (CSD) ocular manifestations and visual outcome and evaluate the effect of systemic antibiotics and corticosteroids on final visual acuity (VA)., Methods: Multicentre retrospective cohort study. Medical records of 86 patients with ocular disease (107 eyes) of 3222 patients identified in a national CSD surveillance study were reviewed., Results: Mean age was 35.1 ± 14.2 years. Median follow-up was 20 weeks (range 1-806 weeks). Of 94/107 (88%) eyes with swollen disc, 60 (64%) had neuroretinitis at presentation, 14 (15%) developed neuroretinitis during follow-up, and 20 (21%) were diagnosed with inflammatory disc oedema. Optic nerve head lesion, uveitis, optic neuropathy and retinal vessel occlusion were found in 43 (40%), 38 (36%), 34 (33%) and 8 (7%) eyes, respectively. Good VA (better than 20/40), moderate vision loss (20/40-20/200) and severe vision loss (worse than 20/200) were found in 26/79 (33%), 35/79 (44%) and 18/79 (23%) eyes at baseline and in 63/79 (80%), 11/79 (14%) and 5/79 (6%) eyes at final follow-up, respectively (p < 0.001). Significant VA improvement (defined as improvement of ≥3 Snellen lines at final follow-up compared to baseline) occurred in 12/24 (50%) eyes treated with antibiotics compared with 14/16 (88%) eyes treated with antibiotics and corticosteroids (p = 0.02). Multivariate logistic regression was suggestive of the same association (odds ratio 7.0; 95% CI 1.3-37.7; p = 0.024)., Conclusion: Optic nerve head lesion is a common and unique manifestation of ocular CSD. Most patients improved and had final good VA. Combined antibiotics and corticosteroid treatment was associated with a better visual outcome., (© 2018 Acta Ophthalmologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.)

Purpose To report a case series of six patients suffering from branch retinal artery occlusion due to Bartonella henselae infection, in order to raise awareness to this etiology in the differential diagnosis of retinal artery occlusion. Methods A retrospective case series of patients with branch retinal artery occlusion due to ocular cat scratch disease who presented at four tertiary medical centers in Israel, Turkey and Saudi Arabia between the years 2008-2014. Data retrieved from the medical records included demographic data, exposure, complaints, visual acuity, clinical findings and imaging, laboratory assessment, treatment, disease course and visual outcome. Results The study group consisted of six patients who presented with branch retinal artery occlusion with or without neuroretinitis. One patient had multiple artery occlusions. Diagnosis of cat scratch disease was established based on positive serology and accompanying systemic symptoms, after ruling out other causes of retinal artery occlusion. Treatment included various regimens of antibiotics and systemic steroids. Visual outcome depended upon the obstructed artery. Conclusion Cat scratch disease may cause retinal artery occlusion in infected patients, leaving them with a permanent visual field defect. When retinal artery occlusion occurs as an early sign of the disease, prompt recognition may prevent further events. Thorough history and relevant tests may be of great value. [ABSTRACT FROM AUTHOR]