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Tackling diabetic retinopathy globally through the VISION 2020 LINKS Diabetic Retinopathy Network

It is abundantly clear that the burden of diabetes is rapidly increasing, as there are now 415 million adults with diabetes in the world, with a projected rise to 642 million by 2040 [1]. This equates to 1 in 10...

The VISION 2020 LINKS Programme: Cascading leadership training in Calabar, Nigeria

The VISION 2020 LINKS Programme has initiated ‘LEAD FORWARD’, an innovative leadership development project incorporating a commitment to cascade training and participate in achievable quality or service improvement projects. The project provides opportunities to apply leadership skills in practice as...

“Beware of the pigment”

Using some captivating artwork, Iheukwumere Duru describes key features of pigment dispersion syndrome. Pigmentary dispersion syndrome (PDS) leads to pigmentary glaucoma (PG) in approximately 35-50% of patients with the condition [1]. PG is the leading cause of non-traumatic blindness in...

Unconscious bias (part 2)

Does unconscious bias exist, and does training help to reduce discriminatory behaviour? Clare Inkster questions her role as a trainer. I read Gwyn Williams’ Learning Curve article on this topic a few months ago with interest, and as someone who...

RCT of operative routes for congenital cataract surgery

The authors evaluated the performance of 25G vitrectomy systems in the management of congenital cataract in infants through two routes – anterior (transcorneal) and posterior (pars plana). This was a prospective randomised trial (RCT) of 24 eyes of 12 patients...

Virtual COVID clinics

The clinics at Ystradgynlais Community Hospital are a little different of late. The nurses are still there, I still get tea with custard creams and the letters I dictate are still all written up by the next day. But there...

Cavernous sinus syndrome

Anatomically the cavernous sinus is a plexus of multiple veins that are connected and within this plexus there are several important vascular and neurological structures. These include cranial nerves III, IV, V1 (and sometimes V2), VI as well as the...

Supranuclear ocular motility disorders

Figure 1: Bilateral INO Introduction Complex ocular motility disorders are a diagnostic challenge. These patients come with very complex ocular motility presentations and require a careful and detailed assessment in order to find the correct diagnosis and arrange appropriate investigations....

Demyelinating optic neuropathy

Introduction Optic neuritis (ON) is an inflammatory process affecting the optic nerve. After glaucoma, it is the most common optic neuropathy affecting patients under the age of 50. The usual presentation of typical ON is unilateral subacute loss of vision...

Bovine pericardium scleral patch graft associated scleritis: Ahmed valve implant for pupillary block glaucoma

Processed bovine pericardium is a lyophilised collagen sheet used as a surgical armamentarium. It renders the material antigenically inert with minimal inflammation [1]. Sclera patch pericardium graft (Tutopatch) is a collagenous membrane derived from solvent preserved, irradiated bovine pericardium [2]...

A step-by-step approach to the diagnosis and management of Sands of Sahara Syndrome

Sands of Sahara syndrome (diffuse lamellar keratitis) is a rare postoperative complication of Laser in situ keratomileusis (LASIK). Its estimated prevalence is reported to be 2-4% among LASIK cases [1], despite that, it is more likely to be encountered by...

Effect of minor trauma in eyes with previously undiagnosed angioid streaks

Angioid streaks (AS) may be associated with pseudoxanthoma elasticum (PXE), Paget’s disease, haemoglobulinopathies, Ehlers-Danlos Syndrome or abetalipoproteinaemia. Histopathology showed retinal pigment epithelium (RPE) and choriocapillaris loss, elastic fibre degeneration, calcium deposition, active choroidal neovascular membrane (CNVM) and vascular endothelial growth...