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Ocular manifestations are observed in 25% of patients with Takayasu's arteritis. Its signs and symptoms can be very variable. The case is presented of a 41-year-old woman with progressive vision loss in her right eye secondary to ischaemic retinal arterial occlusion. After a systematic study, a protein purified derivative (PPD) skin test compatible with tuberculosis was found to be the only alteration. After ruling out other causes, and based on the initial suspicion of tuberculous retinal vasculitis, treatment was started with antimicrobial agents and systemic corticosteroids, without any therapeutic response. Eighteen months later, the patient developed acute kidney failure, secondary to right renal artery stenosis. The CT-angiography revealed a thickening of the aortic arch and its branches, and Takayasús arteritis was finally diagnosed. Therefore, emphasis is made on the importance of the ophthalmologist in the diagnosis of Takayasús arteritis, in which its ophthalmological manifestations can be an early sign of the disease., (Copyright © 2020 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Clinical Case: A 16-year-old patient seen in the Emergency Department due to loss of visual acuity (VA) in the left eye (LE), and oppressive headache of 1 day onset. The patient was on treatment with topical corticosteroids for viral conjunctivitis. The VA was 1.00 in the right eye and 0.05 in LE. The intraocular pressure was 42mmHg in both eyes. In the LE, the funduscopy revealed retinal ischaemic oedema in the papillomacular bundle. The optical coherence tomography angiography (OCT-A) showed an obstruction of the cilioretinal artery. The systemic study was normal, the cardiac and supra-aortic trunks ultrasound was normal, with ocular hypertension secondary to corticosteroids being the only causative agent identified. This case shows that in the event of an obstruction of the cilioretinal artery, a systemic study should be performed in order to identify possible embolic phenomena. Ocular hypertension is one of the possible causes that may be responsible for this condition., (Copyright © 2020 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

We report the case of a 13-year-old patient who complains of an acute superior visual field scotoma in the last 48hours. Best corrected visual acuity (BCVA) was 20/20 in both eyes. The right eye fundus examination revealed torsion of a prepapillary loop in the inferior branch of the retinal artery, associated with a arterial vascular attenuation and whitenning of the inferior retina that involved both nasal and temporal branches but spared the foveal region. During the follow-up the vascular loop dissapeared and only glial tissue was seen in front of the optic nerve head. BCVA remained 20/20 in both eyes. This report shows the evolution of the vascular loop after an occlusion. The absence of blood flow produces a collapse of the arterial walls, in time the vascular loop is replaced by glial tissue., (Copyright © 2019 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Digital subtraction angiography (DSA) is a technique used in interventional radiology for the diagnosis of vascular cerebral conditions. Central retinal artery occlusion (CRAO) is a complication of endovascular procedures that involve atherosclerotic plaque removal with subsequent embolisation. The case is presented on a patient who noticed a sudden vision loss during a DSA. Funduscopy showed retinal pallor and a cherry red spot. The angiography showed a structure suggesting the presence of an embolus in the central retinal artery. The patient was diagnosed with a CRAO, and unsuccessfully treated with ocular massage, topical hypotensive drugs, oral acetazolamide, and anterior chamber paracentesis, with a final visual acuity of 0.05. Central retinal artery occlusion is a rare complication, but due to its poor prognosis, it must be considered when performing neuroradiological procedures such as DSA., (Copyright © 2019 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

A 44 year-old Caucasian male with a history of plaque psoriasis currently being treated with ustekinumab presented with sudden loss of vision in his left eye. Fundus examination showed central retinal vein occlusion coexisting with central retinal artery occlusion. Posterior examination revealed mild polycythemia, being the underlying cause unknown., (Copyright © 2018 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Combined central retinal artery and vein occlusion is uncommon in adults and even more so in young people. The main origins are vasculitis and thromboembolic disorders. The prognosis is poor due to irreversible visual loss and the development of neovascular glaucoma (NVG). A 14 year-old male arrived at the clinic complaining of sudden and painless visual loss in the left eye. Best corrected visual acuity was light perception with clinical and fluoro-angiographic findings characteristic of combined central retinal artery and vein occlusion in his left eye. The findings in the systemic and laboratory studies led to a diagnosis of systemic lupus erythematosus (SLE) and antiphospholipid syndrome. The patient received treatment with steroids and oral anticoagulant. Seven days later, due to prolonged coagulation time, he presented with a vitreous haemorrhage. He was then treated with intravitreal ranibizumab in order to prevent NVG. Afterwards, vitrectomy and retinal endophotocoagulation were performed. To the best of our knowledge, this is the first presentation of a male, paediatric with SLE and combined occlusion to be published in the literature, and is also the first case treated with antiangiogenic agents that has not developed NVG at 12 months of follow-up., (Copyright © 2018 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Case Report: The case is presented of 42 year-old woman with no significant medical history, with severe headaches, nausea and vomiting, hearing loss, and alteration of mental status with disorientation and confusion. Ophthalmic examination showed optic disc hyperaemia in right eye, and focal areas of arteriolar occlusion in both eyes. Audiometry demonstrated bilateral neurosensory hypoacusis. Magnetic Resonance Imaging showed multiple small round hyperintense lesions located in the splenium, corpus callosum, basal ganglia, and white matter., Discussion: Besides branch retinal arteriolar occlusion, the angiopathy in Susac's syndrome may affect the optic disc vessels., (Copyright © 2017 Sociedad Española de Oftalmología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Clinical Case: A patient with acute amaurosis due central retinal artery occlusion (CRAO), who had mitral regurgitation and Streptococcus viridans positive blood cultures. Using transesophageal ultrasound, the patient was diagnosed with native valve infective endocarditis without fever, and with loss of vision as the only symptom., Discussion: CRAO due to infective endocarditis is rare and there are few cases reported in the literature. Semiology and a systematic and comprehensive study of patients with this ophthalmological pathology helps uncover serious underlying medical conditions. Infective endocarditis has many different forms of presentation and a high clinical suspicion is often required to reach a diagnosis., (Copyright © 2013 Sociedad Española de Oftalmología. Published by Elsevier España, S.L.U. All rights reserved.)

Clinical Case: A 39-year-old man with Philadelphia chromosome-positive acute lymphoblastic leukemia (LAL Ph+) developed progressive vision loss to no light perception in his right eye. He had optic disk edema and later developed central artery and vein occlusions. Pan-photocoagulation, as well as radiotherapy of the whole brain were performed in several fractions. Unfortunately the patient died of hematological relapse 4 months later., Discussion: Optic nerve infiltration may appear as an isolated sign of a leukemia relapse, even before a hematological relapse occurs. Leukemic optic neuropathy is a critical sign, not only for vision, but also for life, and radiotherapy should be immediately performed before irreversible optic nerve damage occurs., (Copyright © 2013 Sociedad Española de Oftalmología. Published by Elsevier Espana. All rights reserved.)

Case Report: A 72 year-old woman referred for cataract surgery in her right eye. Biomicroscopy revealed a retrocapsular fibrotic tissue in communication with the optic nerve, suggesting a persistent hyaloid artery (PAH). A posterior capsule rupture unexpectedly occurred during lens hydrodissection. One day after surgery, fundus examination showed a combined central retinal artery and vein occlusion., Conclusion: PAH is uncommon, but its presence may alert us of this possible complication during cataract surgery., (Copyright © 2012 Sociedad Española de Oftalmología. Published by Elsevier Espana. All rights reserved.)

Background and Objective: The aim of the present study is to define the risk factors associated with different retinal occlusive diseases, such as retinal venous thrombosis, arterial emboli and ischaemic anterior optic neuritis. Patients with any of these entities entered the study., Patients and Method: A cross-sectional study on 284 consecutive subjects, aged 25-93, who were initially attended at the ophthalmology unit and then sent to the internal medicine unit., Results: We included 284 patients, 52% men, 48% women, aged 62+/-12 years (range 25-93). Retinal vein thrombosis was observed in 66% (IC 95%: 60.4-71.5), followed by anterior ischemic optic neuropathy in 21% (IC 95%: 16.1-25.8) and arterial embolism in 11% (IC 95 %: 7.29-14.7). Vascular risk factors were frequently recorded, especially hypertension in 50% (IC 95%: 44. 0-55.9) and metabolic syndrome in 39% (IC 95%: 33.2-44.7). Venous thrombosis showed an association with hypertension and with left ventricular hypertrophy, especially central vein thrombosis (54%, p<0.009). Among those with arterial embolism obesity was less frequently observed (p=0.04), but these patients showed significantly (p<0.001) more vascular bruits, carotideal atheromatous plaques and extraocular vascular disease. Anterior optic ischaemic neuritis was significantly associated with obesity, overweight, and diabetes. No differences were observed regarding inflammatory markers (CRP, TNF alpha, IL-6 and IL-10) among the different retinal occlusive diseases analysed., Conclusions: Occlusive retinal diseases are associated with vascular risk factors, but the association is specific for each entity., (Copyright 2008 Elsevier España, S.L. All rights reserved.)

Introduction: Ovarian hyperstimulation syndrome (OHSS) is an uncommon but potentially life-threatening iatrogenic condition that may appear following ovulation induction in the course of some fertility treatments. This may lead to further complications, some of which may be severe, such as thromboembolic events. Though rarely, it can therefore be a potential cause of stroke., Clinical Case: We report the case of a 34-year old woman under ovulation induction treatment who developed retinal and brain infarctions secondary to internal carotid occlusion. Oral anticoagulation was administered and recovery was good in spite of the persistence of carotid occlusion in follow-up magnetic ressonance imaging- angiographies., Conclusions: This is the first case of carotid occlusion following an OHSS reported in Spain and the eighth one published in the literature. Current literature on cerebrovascular complications in OHSS is also briefly reviewed.

Introduction and Objective: The fundus oculi is useful for observation of the interior of the eye and the retina. This study establishes a relationship between patients with established cerebral infarcts and the results observed in their fundi., Patients and Methods: A retrospective study of the clinical histories of 177 patients seen in the rehabilitation department over a period of one year., Results: The patients were aged between 29 and 85 years. The majority were men; 101 patients (57.06%) had systolic-diastolic arterial hypertension. On study of the fundus oculi there was a predominance of alterations of the blood vessels of the retina due to vascular sclerosis (93.1%) but only 24.4% had frank alterations caused by arterial hypertension., Conclusions: We found a slight relation between arterial hypertension and the alterations observed in the fundus oculi of these patients.

We present a case of cholesterol crystal embolization confirmed histologically by skin biopsy and by the presence of a yellowish microemboli with a refringent look lodged inside a retinal arterioles. The presence of a typical clinic case history, together concurrent risk factor (coronarography, implantation of stent and anticoagulation) supported the diagnostic suspicion. Although it is a serious illness, often with a fatal evolution, the patient has followed a favourable clinic course.

Calcific embolism from an aortic stenosis is an uncommon event that can be seen after cardiac surgery or left heart catheterization but extremely rare in a spontaneous way. We report a case of a patient with calcified aortic stenosis presenting a spontaneous calcareous embolism in the retinal artery. We review the literature about this problem as well.