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Randomisation, confounding & observational methods in ophthalmic epidemiology

Randomisation and confounding Understanding the relationship between an exposure and an outcome of interest is the central challenge in ophthalmic epidemiology. The exposure may be aetiological, taking the form of a putative risk biological factor, or therapeutic, in the form...

Pituitary tumours: why are they so often missed?

Part 3: Clinical features, assessment and management (see also Part 2, and Part 1) As previously mentioned in this treatise [1] pituitary tumours are common, occur in all age groups and can present with anything from minimal visual symptoms to...

In conversation with Robert F Walters, Orbis Trustee

Can you give us a brief overview of the organisation and its hope for the future? Orbis International is a global non-governmental organisation (NGO) which is dedicated to the prevention of blindness. We’ve now been going since 1982. We’re very...

Digital eyecare – enabling better communication between primary and secondary care

Alexander Chiu and his co-authors highlight innovations influencing healthcare advancement and how trainees can get involved. Hospital eye services (HES) were under great pressure to meet demand, even before the COVID-19 pandemic. This pressure has increased with the cancellation and...

Acute retinal necrosis presumably caused by Epstein-Barr virus infection

Acute retinal necrosis (ARN) is an uncommon, but serious and potentially blinding condition. ARN is characterised by panuveitis, occlusive vasculopathy and progressive peripheral necrotising retinitis. The diagnosis is clinical but confirmation is sought via aqueous and vitreous sampling. Varicella zoster...

College of Optometrists and British Optical Museum open to visitors on Sunday 10 September

The College of Optometrists is once again opening its doors to visitors, as part of Open House London.

Cutaneous malignant melanoma metastasis to pseudophakic lens

Metastases to the eye and orbit are rare and intraocular cutaneous malignant melanoma metastasis (ICMM) is exceedingly rare, representing around 5%. There have only been three previous cases of ICMM to the lens in the literature, all of which presented...

Diplopia after cataract surgery – risk factors

The risk factors for binocular diplopia after uncomplicated cataract surgery in adults were studied to analyse the patterns of ocular motility and clinical causes. This was a retrospective review of 40 patients; 25 female. Onset of diplopia was at a...

Life as a Global Citizen Consultant Ophthalmologist: a personal view of working in Scotland and Tanzania

Global Citizen post - a new challenge I was looking for a new challenge. I had been in the same consultant post with a subspecialty interest in paediatrics and strabismus for 17 years and was rattling around in an empty...

Working smarter not harder: How to transform eyecare delivery in the United Kingdom (part 2)

Are we doing enough to meet the current demands on ophthalmic services? In part two of a two-part series (see Part 1 here), Rosalind Harrison explains how efficiency can be improved by setting up eye services in community hubs. The...

Treatment of diabetic macular oedema

Diabetic macular oedema (DMO) is a common complication associated with diabetic retinopathy, and the most common cause of visual impairment in diabetes [1]. With predicted rising levels of diabetes (in England by 2025 the estimated population with diabetes will be...

Ophthalmic viscoelastic devices: Useful insights for a novice cataract surgeon

Ophthalmic viscoelastic devices (OVDs) are essential in many different stages of cataract surgery. This article discusses the categories of OVDs and their respective properties, and highlights their uses in different scenarios faced in cataract surgery. Ophthalmic viscoelastic devices are gel-like...