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Is intracranial pressure affected by the valsalva manoeuvres and exercise?

Idiopathic intracranial hypertension (IIH) is characterised by elevated intracranial pressure (ICP), which leads to optic nerve head swelling and a risk of visual loss. The impact of straining and exercise on ICP regulation is poorly understood yet clinically relevant to...

Immunoglobulin G4-related ophthalmic disease – what is it? (Part 1)

Part 1: Epidemiology, classification, radiology, histopathology and associations (see Part 2 here) In this two-part series, Li Yen Goh reviews IgG4 disease and reminds us of diagnostic challenges faced. Introduction Immunoglobulin G4 (IgG4) disease is a recently recognised idiopathic systemic...

Effect of minor trauma in eyes with previously undiagnosed angioid streaks

Angioid streaks (AS) may be associated with pseudoxanthoma elasticum (PXE), Paget’s disease, haemoglobulinopathies, Ehlers-Danlos Syndrome or abetalipoproteinaemia. Histopathology showed retinal pigment epithelium (RPE) and choriocapillaris loss, elastic fibre degeneration, calcium deposition, active choroidal neovascular membrane (CNVM) and vascular endothelial growth...

Paediatric optic disc anomalies

Anomalies of the optic nerve are relatively rare, but account for a significant proportion of sight impairment in children and adults. The recognition of these anomalies by eye health professionals is important not only due to their potential impact on...

Secondary intraocular lens implantation in children

This is a retrospective study of the medical records of children under the age of 16 who underwent secondary lens implantation for aphakic corrections after previous congenital cataract surgery over a period between January 2000 and December 2010. The study...

Guide to Gaining Approval for a Clinical Study

This article focuses on gaining approval for clinical research involving NHS patients, although the principles can be applied to other types of research. The intention is to give an overview of the requirements for setting up a research study, but...

Use of international interocular difference thresholds for optic neuritis diagnosis in clinical practice

Multiple sclerosis (MS) is the most common non-traumatic cause of disability in young people, and visual symptoms can be the initial manifestation in up to 20% of cases. Retinal examination can be helpful in making the correct diagnosis. The latest...

The role of aspirin in the treatment of NAION: Benefits and controversies

Non-arteritic anterior ischaemic optic neuropathy (NAION) is the most common acute optic neuropathy in individuals over 50 with estimated prevalence of 2–10 per 100,000 people, characterised by sudden, unilateral vision loss due to ischaemic injury to the optic nerve head....

Bandage contact lens cultures after corneal collagen cross-linking

Corneal collagen cross-linking (CCL) is a treatment modality that has been shown to stop the progression of keratoconus. There have also been reports that CCL acts as an antimicrobiologic agent in treating resistant microbial keratitis. This study aimed to investigate...

It’s All in Your Head: Stories from the Frontline of Psychosomatic Illness

Have you ever reviewed a patient with unexplained symptoms? It’s All in Your Head by Consultant Neurologist Dr Suzanne O’Sullivan is a non-fiction book about patients with psychosomatic disorders. In each of the nine book chapters, she presents an anonymised...

Launch of the Diabetic Retinopathy Screening Service in UHWI Jamaica

At 2.55pm on Wednesday 16 March 2016 the first patient was screened and given her results in the new nurse-led Diabetic Retinopathy Screening (DRS) Clinic at the University Hospital of the West Indies (UHWI), Kingston, Jamaica. This was the result...

Understanding and confronting bacterial endophthalmitis

Abdus Samad Ansari highlights the importance of early recognition of this condition using an unusual presentation. Endophthalmitis is a medical emergency with devastating consequences. Despite adequate treatment, severe cases frequently result in permanent blindness. Endophthalmitis involves inflammation of both the...