You searched for "pathology"

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Retinal prosthetics: science fiction or a vision for the future?

“Is it a fact – or have I dreamt it – that, by means of electricity, the world of matter has become a great nerve, vibrating thousands of miles in a breathless point of time?” – Nathaniel Hawthorne, The House...

Astigmatism correction in cataract surgery: Why are we still hesitating?

Toric spectacle lenses were first described in 1847 by George Biddell Airy, and their adoption was, presumably, gradual at that time. Today, correction of astigmatism with glasses is routine. In a recent survey, 87.2% of spectacle prescriptions contained at least...

Crystalline keratopathy in monoclonal gammopathy of undetermined significance

Monoclonal gammopathies encompass a group of plasma cell disorders characterised by the excessive production of abnormal monoclonal immunoglobulins in the bloodstream [1]. This category includes multiple myeloma, monoclonal gammopathy of undetermined significance (MGUS), amyloidosis and other lymphoproliferative disorders. Monoclonal gammopathy...

Heidelberg Engineering supplies free protective breath shields

Heidelberg Engineering has announced that it is shipping protective breath shields free of charge to SPECTRALIS owners in the UK.

Does Acanthamoeba need bacteria to cause keratitis?

An animal study was carried out on 36 rabbits, whose corneas were inoculated with either Acanthamoeba castellanii alone, Pseudomonas aeruginosa alone or both pathogens together after a period of short (two hours) or long (six hours) co-incubation. The clinical severity...

Typical or surprisingly uncharacteristic presentations of neuro-ophthalmic emergencies

Irrespective of geographical location or patient cohort, emergency departments are high risk locations capable of inspiring extreme anxiety and dread in patients and doctors alike. The stress multiplies when a walk-in or referred case is suspected of underlying neurological pathology....

The influence of refraction correction in swept source AS-OCT measurement parameters

Anterior segment (AS) optical coherence tomography (OCT) is the non-invasive technique used to analyse detailed cross-sectional images of the anterior structures of the eye. Swept source (SS) OCT at 1310nm can penetrate deeply into the eye with low levels of...

The challenges of rural optometry and how independent prescribing has helped

Why move from a busy professional independent Aberdeen optometry practice over 200 miles to one of the most remote places in the United Kingdom? I could talk about the professional challenge of supporting a rural community, or the chance to...

Illuminating task lighting

Good lighting is always important but especially for patients who are visually impaired. Janet Pooley provides an overview. We tend to discuss lighting with patients when their vision is reduced, and where we are considering higher reading adds or low...

A patient report of pseudoxanthoma elasticum, angioid streaks and choroidal neovascularisation

Angioid streaks (AS) on their own do not cause many problems, with the majority of patients remaining asymptomatic [1]. However, once choroidal neovascularisation (CNV) occurs, the visual prognosis of the patient rapidly declines [2]. Treatment is imperative to try and...

Unilateral central scotoma following dengue fever

Case report A 16-year-old Caucasian male was referred to the eye casualty at Nottingham University Hospitals NHS Trust by the infectious diseases unit in September 2013. He gave a history of photophobia, pain on eye movements and central blurred vision...

Upper eyelid ulceration as a presenting sign of frontal sinus mucocele

Introduction A sinus mucocele is an epithelium-lined sac filled with mucus and desquamated epithelium. It forms secondary to inflammatory processes that occur in a sinus with an obstructed ostium. Predisposing conditions include previous trauma, surgery, tumours, anatomical abnormalities, and chronic...