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The interpretation and use of ultrasound biomicroscopy (part 1)

Ultrasound Biomicroscopy (UBM) has become increasingly important for the diagnosis of a variety of anterior segment pathologies. Most ophthalmologists are familiar with conventional B-scan ultrasonography techniques, which operate at lower sound frequencies (7.5 to 20MHz). UBM is an ultrasound technique...

The treachery of images – making sense of OCT imaging

In 1929 Belgian surrealist Rene Magritte produced his painting La Trahison des Images. It depicted an old fashioned pipe for smoking tobacco and underneath were the words “ceci n’est pas une pipe”, this is not a pipe. You may wonder...

Practical phacodynamics – making the most of your phacoemulsification machine

Understanding phacodynamics is appreciating the subtleties in the dynamic changes of the fluidics and the ultrasonic power delivered. Kristina Southcott explains. Increase my vacuum! Increase my bottle height! Increase my phaco power! I frequently observe the above commands being directed...

Proning and the pandemic - ocular complications seen in critical care

Priyanka Sanghi and her co-authors explore the ocular complications seen in critical care units throughout the country as we treat patients through this challenging time. The SARS-Cov-2 (COVID-19) pandemic has placed the NHS and critical care services under immense strain,...

Clinical relevance of the anatomic classification of neovascular age-related macular degeneration

The author explains why an OCT-based classification of neovascular AMD is needed and how these neovascular subtypes may help to predict patients’ long-term visual outcome. Age-related macular degeneration (AMD) is a chronic and progressive neurodegenerative process involving the macula in...

A new observation point: updating the nomenclature and classification with OCT

The evolution of ophthalmic imaging technologies has been particularly rapid over the last few years. The author provides an update of the current terms for common signs and pathologies observed using optical coherence tomography. My experience as an ophthalmic technician,...

Thyroid eye disease

Thyroid eye disease (TED) is an autoimmune condition with a spectrum of signs and symptoms, usually associated with Graves’ hyperthyroidism. The diagnosis is based on history and physical examination but there are further investigations that can aid diagnosis if unclear....

Stem cell transplantation and pterygium surgery

Pterygium is a benign, fibrovascular overgrowth of bulbar conjunctiva extending onto the cornea and has been associated with ultraviolet (UV) light exposure. The prevalence of pterygium worldwide varies between geographical zones but has been reported to range between three and...

Observership in Dar es Salaam

In this report, both authors present their personal experiences of an observership at the Comprehensive Community Based Rehabilitation in Tanzania (CCBRT) Hospital, a large regional teaching hospital located in Dar es Salaam, with a particular focus on resource management, attitudes...

A comparison of light sources in retinal imaging

Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...

Medical and eye health teams defy odds to deliver treatments for trachoma in Ethiopia, but millions worldwide risk return of disease amid UK aid cuts

Ophthalmologists, nurses, and eye health workers in Ethiopia defied the odds to treat millions with trachoma-fighting antibiotics and surgeries - despite cuts to UK Aid assistance threatening eye care. This World Neglected Tropical Diseases Day Orbis, the international eye care...

How to get out of chairing Zoom Meetings

One of the biggest changes brought on by far over the past two years is the emergence of Zoom, Teams, or a similar virtual platform for conducting the meetings we all know and love. There are many advantages, and also...