You searched for "ischaemia"

169 results found

Visual snow syndrome: a review

Visual snow syndrome (VSS) is a neurological condition characterised by visual phenomena described as dots moving across the visual field. Other visual symptoms can take the form of palinopsia, entopic phenomena, photophobia and nyctalopia. Tinnitus and migraine can be commonly...

Clinical predictors of proliferative sickle cell retinopathy

Sickle Cell Disease (SCD) is an inherited disorder resulting in production of Haemoglobin S (HbS), which aggregates in conditions of hypoxia, acidosis or hyperosmolarity. This leads to vascular stasis, thrombosis and ischaemia. The authors present a cross-sectional study (45 consecutive...

Time is vision in central retinal artery occlusion

Central retinal artery occlusion (CRAO) is a rare but devastating vascular episode that can have severe impact on vision. Treatment is very time-limited and needs to be initiated very quickly to salvage any vision. The majority of patients present to...

Optic nerve swelling – your survival guide (part 1)

Assessment of optic nerve appearance and functions is a daily routine in neuro-ophthalmology. Following a recent high profile court case there has been a significant increase in the amount of referral to ophthalmology departments to assess the optic nerve and...

Retinal sequelae of high voltage electric current injury

Introduction High-voltage electrical currents may result in significant ocular complications, ranging from mild cataracts to vision-threatening retinal and optic nerve problems [1]. The severity of damage depends on various factors, including intensity and type of current, duration of exposure, entry...

Diabetic Macular Oedema

Diabetes mellitus is a metabolic disorder that affects the metabolism of all three categories of carbohydrates, lipids and proteins. This condition is characterised by chronic hyperglycaemia [1]. This can cause end organ damage. The estimated worldwide diabetes prevalence for 2010...

Higher risk of poor functional outcome in the presence of visual deficits post-stroke

The authors present a retrospective case review with the aim of reporting the disability outcomes of individuals 90-days post stroke with and without visual deficits. The Houston Methodist Hospital Outcomes-based Prospective Endpoints in Stroke (HOPES) Registry was used as the...

Anterior ischaemic optic neuropathy post cataract surgery

This retrospective population-based cohort study assessed whether there was an increased incidence of anterior ischaemic optic neuropathy (AION) post cataract surgery compared to patients that had not had cataract surgery. They reviewed the notes of all patients diagnosed with AION...

Do occult neuroretinitis and non-arteritic anterior ischaemic optic neuropathy differ in presentation?

This study evaluates differences between neuroretinitis and non-arteritic anterior ischaemic optic neuropathy (NAAION) in terms of patient demographics, clinical presentation, and optical coherence tomography (OCT) findings. Medical records of patients with a final diagnosis of occult neuroretinitis or NAAION were...

OCT angiography sign after whiplash

Berlin’s oedema is a rare condition following blunt ocular injury and a rare finding after whiplash injury. This case describes a 48-year-old male who suffered a seventh vertebrae fracture from a traffic accident. Two days later, decreased left eye visual...

Significant associations to presence of significant retinal haemorrhages in suspected child abuse

The authors aimed to extract statistically significant associations between non-ocular clinical and diagnostic imaging findings and the presence of significant retinal haemorrhages, and then develop an evidence-based screening algorithm to determine when to consult an ophthalmologist in suspected child abuse...

Ranibizumab versus laser in diabetic macular oedema (LUCIDATE study)

The aim of this study was to compare the functional and structural effects of Ranibizumab versus macular laser treatment in patients with diabetic macular oedema. It was a single centre, prospective, randomised, single masked clinical trial spanning a 48 week...