dogs, other subspecies such as Bartonella vinsonii is more commonly associated with dogs. In Singapore, brown dog ticks (Rhipicephalus sanguineus) are the most common ticks found on dogs. Brown dog ticks can carry Bartonella species.5 The treatment for both Lyme disease and Bartonella infection is similar, with both organisms responding to ceftriaxone. Further laboratory investigation to rule o...

The clinical syndrome of diffuse unilateral subacute neuroretinopathy (DUSN) has been characterised in its early and late stages. Different types of migrating worms in the subretinal and intraretinal space have been described as the cause of the clinical syndrome. We observed a patient with a long history of visual loss, vitritis, and a fundus of abnormal appearance where the worm was noted to ...

Introduction: Toxoplasma is a leading cause of posterior uveitis in immunocompetent patients manifesting as a focal posterior retinochoroiditis. It also causes systemic disease with potentially lethal complications. This obligate intracellular parasite has worldwide distribution with an estimated 1 billion people affected. 1 The typical Toxoplasma lesion consists of fluffy gray or white-yellow ...

OBJECTIVE Evaluate the etiology and the most frequent funduscopic alterations of the neuroretinitis. METHODS We present the case of a woman 24 years old with a bilateral decrease of visual sharpness (AV), painless and progressive, the funduscopic examination of which reveals a bilateral optical disc edema, with no hemorrhages or exudates, retina edema of the posterior pole and phlebitic areas...

KEY CLINICAL MESSAGE Neuroretinitis is one of the atypical presentations of Cat scratch disease (CSD). Fundoscopy showed star pattern macular exudates. CSD should be considered in patients who present with blurry vision and typical fundoscopic findings.

Purpose: We report a case of neuroretinitis combined with external ophthalmoplegia in patient who developed cerebral venous sinus thrombosis after administration SARS-CoV-2 vaccine.Case summary: A 26-year-old woman was on oral contraceptives diagnosed 1 month the first injection vaccine (BNT162b2, Pfizer-BioNTech). The levels factors 8 and 9 were elevated blood test. corrected visual acuities 0...