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Feb/Mar 2014 Quiz 2

History A 65-year-old lady presented with a ten year history of nonspecific visual disturbance and mild symptoms of dry eyes. Questioning revealed progressive nyctalopia. Previous medical history of note included Crohn’s disease requiring two bowel resections including small intestine. Figure...

Internuclear ophthalmoplegia: a case study

A 44-year-old patient presents with binocular, mostly horizontal diplopia when fixating on moving objects. This has been ongoing for approximately five years. He is known to have multiple sclerosis and had an episode of optic neuritis six years prior in...

The results of the last survey Jun23

*Please be aware that this data does not form part of a peer reviewed research study. The information therein should not be relied upon for clinical purposes but instead used as a guide for clinical practice and reflection. I continue...

A refractive surprise after vitrectomy and capsulectomy

Figure 1: Right posterior capsule small aperture. We report a case of a pseudophakic patient who underwent vitrectomy and posterior capsulectomy. In spite of good visual acuity and absence of floaters, he was unhappy with the visual outcome. Case report...

Traumatic ‘toy’ gun injury leading to permanent vision loss

Pseudoxanthoma elasticum (PXE) is a progressive, inherited disorder of connective tissue that affects the skin, cardiovascular system and retina. Ocular manifestations of the disease are related to Bruch’s membrane, a thin elastic tissue layer located between the retinal pigment epithelium...

Refractive surprise after cataract surgery caused by posterior capsular striae

Cataract removal with intraocular lens (IOL) implantation is one of the most frequently performed surgeries in current clinical practice [1,2]. New microsurgical techniques and refined IOL power calculations allow excellent refractive outcomes. Refractive surprise following cataract surgery is uncommon [1-3]...

Retinal sequelae of high voltage electric current injury

Introduction High-voltage electrical currents may result in significant ocular complications, ranging from mild cataracts to vision-threatening retinal and optic nerve problems [1]. The severity of damage depends on various factors, including intensity and type of current, duration of exposure, entry...

Birdshot retinochoroiditis

Birdshot retinochoroiditis (BRC) is a chronic, sight-threatening uveitis, most commonly affecting caucasian individuals in their fourth to sixth decades [1]. The disease is associated with HLA-29 and is characterised by progressive inflammation at the level of retina and choroid, with...

Samsung focuses on the sight impaired and internet security flaws

Smartphone assistive technology for the sight impaired In previous issues we’ve covered some specific smartphones that have been developed for the sight impaired. Samsung are now doing something similar, but in the form of accessories. In March 2014 they announced,...

A connected workplace - Part 2

In Part 1 of this topic (bit.ly/ENconnected) the need for a mature ophthalmic imaging network was described. Here, I provide a scoring scheme that can be used to articulate the maturity of existing devices. As with any scoring system, the...

The first on-call

You’ve made into ophthalmic specialist training and before you know it, it’s your first on-call shift. You are expected to provide the specialist on-call service out of hours and there is a new wave of responsibility, with, let’s be honest,...

Open source and tele-manufacturing for ophthalmology

Open source or crowd-sourcing and crowd-collaboration are concepts almost always associated with software and public online projects such as Wiki project. Never had I imagined that my team would apply the same principle in ophthalmology. Just less than a month...