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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...

Real-world experience and outcomes of SLT laser used as a first-line treatment in ocular hypertension patients in a United Kingdom National Health Service setting

The management of raised intraocular pressure (IOP) in the context of ocular hypertension (OHT) and primary open angle glaucoma (POAG) remains a major contributor to the workload of ophthalmology units across the UK. Treatment of these conditions has historically centred...

Optical coherence tomography – reinventing the eye examination

It has been 25 years since Huang et al. presented the first optical coherence tomography (OCT) images in Science [1]. With vast improvements in OCT technology over the years, it is now possible to acquire high-resolution cross-sectional images of the...

Surgical options for the treatment of hyperopia

The modern refractive surgeon has a variety of options available to treat patients with hyperopia who wish to be independent of spectacles and contact lenses. Unlike in low myopia where presbyopic patients may have the ability to see well for...

Simulated ocular surgery – strabismus surgery

See also Simulated ocular surgery and Simulated ocular surgery: pars plane vitrectomy and scleral buckling surgery Strabismus surgery requires a range of skills, distinct to those required for intraocular surgery. Even if a trainee does not plan to become a...

COVID-19: Pete’s Bogus Journey

The author shares his personal experience of contracting coronavirus. I managed to body swerve COVID-19 for nine months. The Pfizer vaccine was being rolled out in my trust. I had my first inoculation booked in three weeks. I had survived...

Dr Glaucomflecken: Stayin’ Alive

Peter Cackett spoke to ophthalmologist and social media sensation Dr Glaucomflecken about his early days in comedy, the role satire can play in impacting medical governance, and where he might take his brand of medical comedy next. It was towards...

Virtual reality for the ophthalmic trainee

If you believe the tech blogs 2015 is the year of virtual reality. Industry experts believe this will be due to the potential commercial release of the poster boy of this new revolution, the Oculus Rift. This is a headset...

Macular holes: A brief review

The classification of macular holes has been modernised by OCT findings. This is a brief review and encompasses the historical literature on macular holes. A macular hole is an anatomical discontinuation of the neurosensory retina at the centre of the...

SOS (Simplified Ophthalmic Statistics) Part 2: How to summarise your data and why it’s a good idea to do so

Studies involve capturing data. Statistical techniques allow data to be used to answer important research questions. A case series may have data on a handful of subjects but we are now entering the Big Data arena where datasets can be...

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...

Spotlight: The Community Eye Health Journal

In many low-income settings, where vision loss is greatest, eyecare is hampered by shortages in trained health workers. In sub-Saharan Africa, there are fewer than five ophthalmologists per million population, compared to over 70 per million in high-income countries. Eyecare...