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Advances and developments in medical retina

The author provides an update on late breaking clinical trial results in neovascular age-related macular degeneration (nAMD) and presentations on diabetes management from the American Academy of Ophthalmology Retina Subspecialty Day, held during the Academy’s annual meeting in Chicago, October...

Sustainability in eyecare: Aravind Eye Hospital’s low carbon eyecare system

The field of healthcare has a substantial impact on the environment as it is responsible for 5-10% of greenhouse gas emissions and 9% of air pollutant generation [1]. Surgery is associated with the rapid consumption of single-use products and waste...

Herpes zoster ophthalmicus: a clinician’s perspective

Introduction Herpes zoster, commonly known as shingles, is caused by the reactivation of varicella zoster virus (VZV). The term herpes is derived from a Greek work, herpein, which means ‘creeping’ and the word zoster means a belt or a girdle...

Sclerochoroidal calcification masquerading as ocular malignancy

Case 1 A 68-year-old Caucasian gentleman was urgently referred to eye casualty by his optometrist after seeing an unusual incidental finding of protruding lesions from the retina, suspecting choroidal melanoma. He was asymptomatic and this was his first eye test...

Ophthalmology Foundation: a promising new beginning

The world’s leaders in ophthalmology have created the new Ophthalmology Foundation, to make prevention of blindness and maintenance of high quality vision accessible to people of all nations. Board of Directors President David EI Pyott explains their vision for the...

Rite of passage

The Lakota Sioux people of Dakota have one of the best preserved Native American cultures in the United States and when people think of the ‘American Indian’ it is to the culture of the Lakota Sioux that people mostly turn....

Periorbital and subconjunctival emphysema - a sign of orbital rim fracture

Background Orbital emphysema is a condition where air is present in orbit or periorbital tissues [1]. It is most commonly caused by trauma leading to orbit fracture, where air from paranasal sinuses is allowed to enter the orbit. The most...

Capacity building for ophthalmic nursing in Ghana, Botswana and Tanzania

Ophthalmic nurses (ON) have been the backbone of eye health services in Africa since the mid-20th century and remain the largest single cadre of allied ophthalmic personnel in Commonwealth countries in Africa. Numbers are currently estimated at between 3500 and...

Fusional vergence measurement

This paper reports a systematic review to address two objectives: 1, to compare the normative values of tests measuring fusional vergence; 2, to investigate sources of heterogeneity of prism accuracy. The review was conducted according to PRISMA guidelines with a...

Mediation of vertical vergence

The authors hypothesised that if vertical vergence were mediated by vertical rectus muscles, then the eye that moves during a vertical fusion task would produce larger vertical vergence when abducted versus adducted. Similarly, if mediated by the oblique muscles then...

Implications of missed foreign bodies under the upper eyelid

Children aren’t the best historians. As a result, clinicians sometimes rely on the accounts of parents regarding problems. Missed foreign bodies due to poor histories or incomplete examinations may result in irreversible loss of vision. This case report shines light...

Herpes zoster ophthalmicus: the essentials

Herpes zoster, also referred to as shingles, is a common infection most typically caused by the reactivation of varicella zoster virus that lies dormant (sometime for decades) in the dorsal root nerve ganglion following primary chickenpox infection [1]. In 10-20%...