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Novel retinal pigment metric tackles bias in AI models

Researchers have developed an innovative metric for objectively classifying pigmentation in a retinal image, rather than using subjective social constructs like ethnicity or other demographic variables, as is currently the case when building health datasets. Called the Retinal Pigment Score...

Narrative literature review for intermittent exotropia

This is a narrative literature review on prevalence, terminology, risk factors, natural history and clinical characteristics for intermittent exotropia. A Medline search was conducted with no date restrictions up to September 2020 and collating English language studies. Prevalence was reported...

Upper eyelid ulceration as a presenting sign of frontal sinus mucocele

Introduction A sinus mucocele is an epithelium-lined sac filled with mucus and desquamated epithelium. It forms secondary to inflammatory processes that occur in a sinus with an obstructed ostium. Predisposing conditions include previous trauma, surgery, tumours, anatomical abnormalities, and chronic...

Patterns of binocular diplopia in giant cell arteritis (GCA)

Giant cell arteritis (GCA) is a granulomatous vasculitis that targets medium and large sized vessels. Binocular diplopia has been reported in a small number of patients with visual manifestations of GCA. It can be caused by ischaemia in any segment...

Don’t ignore the black lesion! It might be mucormycosis

Keeping mucormycosis infection in the foreground of your differential diagnosis, especially in those more vulnerable patients, will help save their lives if recognised and managed appropriately. Mucormycosis is a fulminant infection caused by the fungi of the family Mucoraceae. It...

Vitreomacular traction and full thickness macular hole

Clinical scenario: A 64-year-old lady presented to the clinic with a few weeks history of sudden onset of metamorphopsia, central blur and reduced vision in her right eye. The ocular examination and ocular coherence tomography confirmed right eye focal vitreomacular...

A comparative evaluation of a new diffractive trifocal and EDOF IOLs

This study aimed to compare the outcomes of two diffractive trifocal intraocular lenses and one extended depth of focus (EDOF) intraocular lens (IOLs). This was a six month, single centred, prospective, randomised, comparative study in which patients who underwent routine...

Retinoschisis

In this retrospective study the authors evaluate the effect of pars plana vitrectomy (PPV) and internal limiting membrane (ILM) peeling for lamellar macular hole (LMH) with or without macular retinoschisis in highly myopic eyes. Twenty-one highly myopic patients (22 eyes)...

2024

Welcome to our Spring Special of 2024! The year is well underway and I can feel change is in the air. It’s the Chinese year of the dragon, generally regarded as a good sign, plus it’s 40 years on from...

Eye testing at home – developing an app for measuring vision

COVID-19 has made home vision monitoring a necessity. Stephanie Campbell shares how her idea for a vision testing app that would engage patients became a reality. Months before COVID-19 first began to mutate to its human host, there was a...

Decontamination and sterilisation of surgical instruments and medical devices

Ann-Marie Ablett is a Theatre Nurse and Team Leader who volunteers with Orbis. This has allowed her to gain a wealth of experience on ophthalmic procedures, nursing in under-privileged parts of the world, leadership, management and use of scarce resources....

It’s not always GCA

Giant cell arteritis (GCA) is an immune mediated granulomatous inflammatory disease that affects muscular middle or large sized arteries. It is considered as a continuation of polymyalgia rheumatica (PMR) when the severity of the disease has increased. It is the...