You searched for "Optics"

1954 results found

The Retinal Atlas (2nd Edition)

Those readers familiar with the first edition of The Retinal Atlas will appreciate the comprehensive nature of this publication, and this latest version incorporates retinal images generated by recently developed imaging technology. As the title suggests, this hardcover version is...

Choroidal and RNFL thickness in patients with OSAS

In obstructive sleep apnoea syndrome (OSAS), hypoxia secondary to repetitive apnoeic episodes leads to blood pressure variations and haemodynamic changes. There is also intermittent activation of the sympathetic system when the patient is aroused from sleep during apnoeic episodes. OSAS...

OCT prognostic factors in AMD patients with peripapillary choroidal neovascularisation

In this retrospective study the authors aimed to investigate the correlation between optical coherence tomography (OCT) findings and visual acuity outcomes after treatment with intravitreal bevacizumab (IVB) injections for age-related macular degeneration (AMD) patients with peripapillary choroidal neovascularisation (PPCNV). Data...

Comparison of paediatric migraine and healthy controls using optical coherence tomography angiography

The authors present a cross-sectional study which recruited patients with paediatric migraine without aura along with age and sex-matched healthy controls. Both groups were recruited following attendance to an ophthalmology outpatient clinic. Children diagnosed with any of the following were...

Preparing for the Duke Elder Award

The Duke Elder examination is an undergraduate ophthalmology exam, conducted by the Royal College of Ophthalmologists (RCOphth) and undertaken by students with an interest in ophthalmology. It is a two-hour, 90-question, multiple choice exam with a broader curriculum than that...

Ultra-widefield imaging in glaucoma: Documenting hypotony-related choroidal effusions after microshunt surgery

Ultra-widefield (UWF) imaging provides extended visualisation of the posterior segment beyond the traditional 30–50° field of view. It captures a broad view of the posterior pole and periphery in a single, quick, non-mydriatic acquisition. While its role in diabetic retinopathy...

The use of virtual reality in paediatric ophthalmology

The purpose of this study was to investigate the utility of virtual reality (VR) in the broader field of paediatric ophthalmology with review of examination, screening, diagnosis, prevention and treatment. This review also explores the potential of eye tracking used...

My top five: Trinkets of fact or fiction

Trinkets of adult wisdom are often delivered to children alongside warnings of catastrophic outcomes. In this article we present five ‘facts’ about eye health and vision and ask the question: to what extent are these ideas backed up by literature?...

My Top Five: Trinkets of fact or fiction

Trinkets of adult wisdom are often delivered to children alongside warnings of catastrophic outcomes. In this article we present five ‘facts’ about eye health and vision and ask the question: to what extent are these ideas backed up by literature?...

Ocular electrophysiology

A 34-year-old woman, who is a CEO in a multinational firm, has been losing vision over the last 12 months. She has seen her opticians, who initially tried different glasses but could not improve things. Clinical examination is unremarkable. How...

Brain tumours in adults: the essentials for an ophthalmologist

The author provides a review of the common intracranial tumours in adults (other than pituitaries) which may present to an ophthalmologist. Primary malignant brain tumours comprise 3% of adult cancers but with an ageing population such tumours are becoming more...

Virtual reality for the ophthalmic trainee

If you believe the tech blogs 2015 is the year of virtual reality. Industry experts believe this will be due to the potential commercial release of the poster boy of this new revolution, the Oculus Rift. This is a headset...