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Neurofibromatosis type 2 – diagnosis, features and MDT approach

NF2 is a genetic condition caused by mutation in a single gene (NF2 gene) on chromosome 22. The NF2 gene provides instructions to produce a protein called merlin, also known as schwannomin. This protein functions as a tumour suppressor, preventing...

Commonest mistakes during the refraction certificate exam

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...

The results of the last survey Aug21

We are often referred patients noted to have an optic disc haemorrhage (ODH) without any other features of pathology. How we manage these patients can have a significant impact on our struggling capacity. The significance in glaucoma and, in particular,...

Acute dellen formation post trauma

Corneal dellen are saucer-like thinnings, usually of the peripheral cornea [1]. Dellen formation is thought to be related to localised tear film instability [2], specifically the absence of the mucin component of the tear film. Without the mucin layer, dry...

An unusual case of acute retinal necrosis

Case report A 40-year-old Caucasian male presented with a four-day history of redness and progressive painless reduction of vision in the left eye. His visual acuities were 6/4 in the right and 6/36 in the left. The left eye showed...

Severe conjunctival cicatrisation secondary to chronic glaucoma therapy

The timing of glaucoma filteration surgery during the course of chronic progressive glaucoma remains a contentious issue amongst glaucoma specialists. The vast majority support the use of maximal medical treatment initially to achieve the target pressure. Surgical procedures are only...

Birdshot chorioretinopathy: an important differential

Birdshot chorioretinopathy (BSCR) is a relatively uncommon cause of posterior uveitis which often has a relapsing and remitting course [1,2]. We present a case which demonstrates how remission can be obtained for several years using cyclosporine. Case report A 44-year-old...

The challenge of chorioretinal folds in virtual eye clinics

Chorioretinal or choroidal folds are parallel striations involving the retina, retinal pigment epithelium (RPE), Bruch’s membrane, and inner choroid [1]. They can arise from compressive stress on these layers, and their presence often serves as a diagnostic marker for underlying...

A unique case of macular burn from ‘toy’ laser

The first laser was created in 1960 and its name is an acronym for ‘light amplification by stimulated emission of radiation’. Laser technology has been used for medical, industrial, research and entertainment purposes in a variety of fields following extensive...

Trans-sinus endoscopic removal of retrobulbar air gun pellet within the orbital apex

Injuries to the eye have been widely reported in medical literature due to a variety of mechanisms causing significant morbidity and occasional unexpected mortality for the patient [1]. It is often wrongly assumed that air gun pellets lack this potential....

Presumed DALK stromal graft rejection following Covid-19 infection

Case report A 45-year-old healthy male patient with a past ocular history of keratoconus and right deep-anterior lamellar keratoplasty (DALK) graft performed 10 months prior, presented to our eye casualty clinic with a two-day history of right photophobia and epiphora....