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Exploiting nature’s randomised trials of eye disease

1 December 2022 | | Ophthalmology, Genetics
Confounding and reverse causation in observational ophthalmic epidemiology Traditional observational studies are inherently limited in establishing a causal effect of an exposure on an outcome of interest. One fundamental limitation is confounding, whereby causation is incorrectly attributed to a third...

Unexpected diagnoses – stroke in children and homonymous hemianopia

1 February 2022 | | Ophthalmology, Neuro-Ophthalmology, Imaging
We present the case of a 12-year-old child presenting with a few days history of left-sided visual loss. Upon further investigation with magnetic resonance imaging (MRI) she was unexpectedly diagnosed with a right-sided chronic posterior cerebral arterial territory infarct, causing...

Chronic dacryocystitis?

1 February 2018 | | Ophthalmology
Lacrimal drainage system tumours are rare and lymphomas account for less than 10% of these tumours [1]. Most patients presenting with lymphoma infiltration of the lacrimal drainage system have a history of previously diagnosed lymphoma elsewhere. We report a case...

Cornea teaching techniques: one cornea donor tissue for two purposes

2 February 2024 | | Cornea / External Eye Disease
There is a national shortage in the UK in corneal graft material [1,2]. The majority (69%) of corneal transplants in the UK are partial thickness, with 35% being Descemet membrane endothelial keratoplasty (DMEK) [2]. During the preparation of the donor...

The treachery of images – making sense of OCT imaging

1 June 2016 | | Retina / Uvea / Vitreous, 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...

Vision Buddy: A sight enhancement wearable to enhance TV and computer viewing

3 October 2022 | | Ophthalmology
This review of the Vision Buddy system continues our recent series on wearable assistive technology. The main component of the Vision Buddy system is a VR-type headset, designed to assist users with a range of tasks primarily within the home...

What's trending Dec/Jan 2021

7 December 2020 | | Ophthalmology, Optometry, Retina / Uvea / Vitreous, Cataract and Refractive
A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #threeblindmice US company Nanoscope Therapeutics has developed a new treatment which is hoped will restore vision in those affected by retinal...

DMEK vs. UT-DSAEK: has the debate been finally concluded?

1 October 2021 | | Ophthalmology, Cornea / External Eye Disease
In recent years the surgical treatment of corneal endothelial dystrophy has progressed tremendously. Descemet’s membrane endothelial keratoplasty (DMEK) is the newest iteration in the line of rapid surgical advances that has taken place. However, the previously accepted gold standard prior...

Traumatic optic neuropathy

1 October 2021 | | Ophthalmology, Orbit, Emergency Ophthalmology, Neuro-Ophthalmology
In neuro-ophthalmology we get asked a lot about management of patients who suffered significant trauma and presented with loss of vision secondary to presumed traumatic optic neuropathy (TON). TON happens usually in the context of significant craniofacial trauma. The incidence...

Innovation update: key advances in eyecare transformation in the last year

1 December 2021 | | Ophthalmology, Retina / Uvea / Vitreous, Optometry, Emergency Ophthalmology, Glaucoma
Vishal Shah and his co-authors reflect on examples of innovation in eyecare delivery published in the last year and the implications for the future of eyecare services. The “new normal” is an overused phrase to describe extraordinary measures that have...

What's trending Jun/Jul 2023

5 June 2023 | | Ophthalmology
A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #whoopigoldberg #presbyopia #bionic Whoopi Goldberg made a name for herself in blockbusters such as the Oscar-winning Ghost and Sister Act. She...

Commonest mistakes during the refraction certificate exam

2 February 2024 | | Ophthalmology, Optometry, Cataract and Refractive
Ophthalmology specialty trainees are required to pass the refraction certificate exam within the first two years of training. If one passes this exam before entering a training programme, this can add two points to the portfolio during applications. In this...