You searched for "focus"

1355 results found

The curse of the college museum

David Greig lecture notebook. Courtesy of Dr Jacqueline Cahif, College Archivist, Royal College of Surgeons of Edinburgh. As sure as the inevitability of death and taxes, the hidden stories of past events will intermittently rise to the surface like oil...

Cataract surgery in uveitis patients

Cataract formation is a common complication of uveitis, causing up to 40% of vision loss in these patients. Cataract results from inflammation +/- corticosteroid therapy and is usually posterior subcapsular, but a small proportion have a rapid increase in nuclear...

Pathway innovations to address cataract services post-COVID-19

Background The demand for cataract services prior to the COVID-19 pandemic was already recognised to be high and growing - in the face of an ageing population and reduced surgical thresholds. When added to the growth in demand for ophthalmic...

Rare eye diseases: progress continues with authorised orphan medicines and breakthrough technologies

An update on the development of orphan medicines, recent regulatory treatment approvals for rare eye conditions and advances in retinal prosthetic technologies for blinding diseases. The prevalence of a rare disease is based usually on a range of estimates and...

The management of retinal vein occlusions: a summary

Retinal vein occlusions (RVO) are the most common cause of visual loss from retinal vascular disease second to diabetic retinopathy. Vision is lost due to ischaemia, macular oedema and / or haemorrhage which ultimately effects a patient’s quality of life...

An update on idiopathic intracranial hypertension

The incidence of Idiopathic intracranial hypertension (IIH) is increasing, likely in line with the worldwide epidemic of obesity. To date, there have been revisions in the terminology used and diagnostic criteria for IIH; these recognise the need to exclude secondary...

Ophthalmology in ancient india, Sushruta’s time and the modern era

While reading an article related to the history of Indian ophthalmology, I came across this description of a surgical procedure: “The doctor warmed the patient’s eye with the breath of his mouth. He rubbed the closed eye of the patient...

What’s next in retinal imaging? Faster, deeper and full-on

Fast-evolving technological leaps are opening the way toward clinically useful ocular coherence angiography, generating 3-dimensional microvasculature maps without intravenous dye injection, as well as whole-eye imaging, handheld patient-operated optical coherence tomography (OCT) devices and, for challenging vitreoretinal procedures, integrated intraoperative...

COVID-19 and the eye: a review of ocular involvement and protective strategies

A lot of attention has been placed on the use of face coverings to limit COVID-19 transmission, but there has been less focus on ocular involvement and ocular protection strategies. The author reviews the literature and discusses possible solutions. The...

Part 1: The Arclight Project – Frugal tech for sight

Click here for Part 2 on this topic, and here for Part 3 The Arclight Project is a mix of frugal design, manufacturing, distribution, teaching, research, and advocacy, all wrapped up in a social enterprise based at the University of...

The use of toxin in paediatric strabismus

Strabismus is a common condition that affects up to 5% children and can be associated with abnormal visual development, double vision, loss of depth perception and impaired binocularity [1]. It can also cause cosmetic concerns, negatively impact psychosocial wellbeing and...

The influence of refraction correction in swept source AS-OCT measurement parameters

Anterior segment (AS) optical coherence tomography (OCT) is the non-invasive technique used to analyse detailed cross-sectional images of the anterior structures of the eye. Swept source (SS) OCT at 1310nm can penetrate deeply into the eye with low levels of...