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Essentials of OCT in Ocular Disease

Sir Isaac Newton was the first to establish the technique of low coherence white light interferometry. Following on from this, the principle of laser interferometry as an imaging modality for retina was applied by David Huang and his associates in...

The International AMD Genomics Consortium study: another success in understanding the complex genetics of AMD

Age-related macular degeneration (AMD) is a neurodegenerative complex disease of the eye and a major cause of blindness and visual impairment among the elderly worldwide. The early stages of the disease are characterised by asymptomatic pigmentary abnormalities and accumulation of...

Launch of the Diabetic Retinopathy Screening Service in UHWI Jamaica

At 2.55pm on Wednesday 16 March 2016 the first patient was screened and given her results in the new nurse-led Diabetic Retinopathy Screening (DRS) Clinic at the University Hospital of the West Indies (UHWI), Kingston, Jamaica. This was the result...

Are we short-sighted about myopia?

Worldwide prevalence of myopia has increased rapidly in recent years and has now reached epidemic levels, particularly in South-East Asia where prevalence is around 80% [1-4]. Myopia prevalence is also increasing in the United States and Europe where it is...

The ‘art’ of refraction – designing a refraction course

Learning how to refract requires theoretical knowledge, practice and determination. Refraction is a notoriously challenging skill to acquire and the competing demands on junior ophthalmologists can often be restrictive of the development of this core skill. To consolidate theory learnt...

Patient and public participation shapes biomedical research and access priorities in eye health

Patients, clinicians and clinician-scientists play a valuable role in shaping the future of vision research. Limited funding demands targeted research initiatives that ultimately will shape health policy and practice to secure progress in improving patient outcomes in eye health. This...

Acanthamoeba ability to adhere to different contact lenses

This study tested ability of Acanthamoeba lugdunensis trophozoites to adhere to silicon hydrogel contact lenses (SHCL) and how this is influenced by different multipurpose contact lens solutions (MPS). Three generations of SHCL were tested: first generation – Air Optix, second...

Effect of preservative free fluoroquinolones on human corneal epithelial cells in vitro

Fluoroquinolones, including second generation (ofloxacin and ciprofloxacin), third generation (levofloxacin and tosufloxacin) and fourth generation (gatifloxacin and moxifloxacin), are a group of bactericidal agents used to treat multiple ocular infections. The third and fourth generation fluoroquinolones have enhanced Gram-positive activity...

Obituary: Sohan Singh Hayreh (1927 - 2022)

Sohan would have been 95 on 6 November this year, but due to complications of COVID-19, he passed away on 29 September.

Post-stroke visual impairment: how big is the problem, how do we identify it, what we can do about it, and why does it matter?

In the UK, 100,000 new strokes occur each year, with 1.3 million stroke survivors [1]. This article will focus on post-stroke visual impairment, discussing topics of how common it is, how it can be detected, possible management options and how...

South-South collaboration for the treatment of avoidable blindness in Botswana

This article describes the value of South-South collaboration in the reduction of avoidable blindness. Specifically it describes a South-South collaboration between India and Botswana that evolved out of the VISION 2020 LINK between Cambridge University Hospitals, two institutions in India...

Choroidal and retinal vascular changes after horizontal rectus surgery

The authors used wide field swept-source OCT angiography (SSOCTA) to evaluate changes in retinal and choroidal blood flow before and after horizontal rectus muscle surgery. They aimed to characterise the haemodynamic impact of extraocular muscle surgery on the posterior pole...