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Investigation of PAX7 positive satellite cells in extraocular muscle surgery

PAX7 is a transcription factor and is expressed in non-active and activated satellite cells. It is needed for muscle progenitor function, survival and expansion. This study investigates the effect of recession/resection surgery on PAX7-positive satellite cells in extraocular muscles of...

WHO: Implementing vision and hearing screening in schools

World Health Organization Web Meeting: Implementing vision and hearing screening in schools: a deep dive into the World Health Organization handbook

Blind: Chris McCausland

In the busy, stressful lives that many of us lead, a good way to unwind in the evenings is to watch one of the celebrity panel TV shows such as Would I Lie To You? or Have I Got News...

Pathological myopia: a trainer’s perceptive

High myopia is defined as myopic refraction of greater than -6 dioptres with an axial length greater than 26.5mm, while pathological myopia is myopic refraction with posterior pole degeneration [1]. These degenerative changes can affect a young population and in...

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...

The treachery of images – making sense of OCT imaging

In 1929 Belgian surrealist Rene Magritte produced his painting La Trahison des Images. It depicted an old fashioned pipe for smoking tobacco and underneath were the words “ceci n’est pas une pipe”, this is not a pipe. You may wonder...

Ophthalmic viscoelastic devices: Useful insights for a novice cataract surgeon

Ophthalmic viscoelastic devices (OVDs) are essential in many different stages of cataract surgery. This article discusses the categories of OVDs and their respective properties, and highlights their uses in different scenarios faced in cataract surgery. Ophthalmic viscoelastic devices are gel-like...

The structure function relationship in glaucoma

Chronic open angle glaucoma (COAG) is the second most common cause of blindness worldwide. It is diagnosed on the basis of three clinical signs, raised intraocular pressure (IOP), visual field (VF) defects and structural changes to the optic nerve head...

Your 101 guide to interpreting the Pentacam®

Anterior segment tomography produces a three-dimensional assessment of anterior and posterior corneal structures. The Pentacam uses rotating Scheimpflug imaging to generate cross-sectional scans of the cornea and anterior chamber, essential for detecting ectasia, refractive surgery screening and longitudinal monitoring. However,...

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...

Ocular bubbly: a vitreoretinal update on the art of gases

The authors remind us of the revolutionary impact gases have had on retinal surgery. In 1938, Rosengren attempted to improve his retina repair surgical outcomes [1]. He discovered that suturing the retina or pressing externally on the sclera were not...

Cataract care at Peterborough eye hospital rated ‘outstanding’ by Care Quality Commission

SpaMedica in Peterborough has been awarded the highest possible rating following a recent inspection by the Care Quality Commission (CQC), the independent regulator of health and social care in England.