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The refractive index in the eye lens – implications for clinical practice and optical design

The eye may appear to be a comparatively simple organ and yet its optical system is complex and continues to be a source of investigation and research. The major optical elements are considered to be the cornea and the lens...

The International Council of Ophthalmology: what is it and is it useful for UK ophthalmologists?

ICO Director for Examinations and Assessments, Simon Keightley, explains the history and role of the organisation today, as well as outlining recent changes to the ICO examinations. The International Council of Ophthalmology (ICO) is the only international medical specialty organisation...

IN FOCUS - The achievements and lasting effects of VISION 2020

Blindness is a major public health problem globally. The first estimate of global blindness by the World Health Organization (WHO) in 1972 provided a figure of 10 to 15 million, which was considered an underestimate [1]. In 1999, an extraordinary...

Essentials of OCT in Ocular Disease

Sir Isaac Newton was the first to establish the technique of low coherence white light interferometry. Following on from this, the principle of laser interferometry as an imaging modality for retina was applied by David Huang and his associates in...

Chemical injury

You are the on-call ophthalmologist. You receive a call from A&E regarding a 45-year-old man who sustained a chemical injury. He was mixing some cement, when a small amount entered his left eye. He was not wearing any protective goggles....

What's trending Dec/Jan 2024

A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #eyepatch #memes German chancellor Olaf Scholz shared a photo of himself on X (formerly Twitter) sporting a black eye patch after...

High-stakes scenarios in retinal vein occlusion: A survey of medico-legal implications

Central retinal vein occlusion (CRVO) is the second most common retinal vascular disease after diabetic retinopathy, and its clinical complexity often intersects with medico-legal scrutiny [1]. Missteps in timely diagnosis, inadequate follow-up or poor documentation can lead to patient harm...

Does beauty truly lie in the eye of the beholder?

Simerdip Kaur takes a look at the latest ophthalmology-related news stories and asks which are based on facts and which are ‘fake news’. Headline: Does beauty truly lie in the eye of the beholder? Scleral whitening, iris colour-changing drops and...

Navigating the retina: the nitty-gritty of slit-lamp fundus examination

The slit-lamp fundus examination can be a difficult and disorientating task for beginners due to the retina being viewed in a non-anatomical orientation, the small area of retina illuminated, and the counterintuitive technique of the examination. This article provides a...

Breakthroughs in the genetics of angle-closure glaucoma

Angle closure glaucoma (ACG) is not widely known to be a familial condition, yet the recent explosion of genetic data and large scale genome wide investigations have confirmed at least 13 genetic loci associated with ACG [1], and provided some...

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...

Aqueous misdirection: a case series of unexpected surgical complications

Aqueous misdirection (AM), also known as malignant glaucoma, is a form of secondary glaucoma that typically presents with shallowing of the anterior chamber (AC), raised intraocular pressure (IOP), and reduced visual acuity (VA) in the presence of patent peripheral iridotomies...