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Prism fusional vergence measures for Risley vs prism bar measurements

This study sought to investigate the agreement between the phoropter Risley and the prism bar prism fusional vergence amplitudes among a normal sample of Ghanaian children aged 8–17 years. This was a school-based study of 2300 children. Of 2300, 116...

Orthokeratology lens treatment for exophoria of convergence insufficiency type

The purpose of this study was to evaluate the effectiveness of orthokeratology (OK) lenses with an increased comparison factor (ICF) of 1.75D in the treatment convergence insufficiency (CI) exophoria (EP). This was a prospective, self-controlled study of 60 eyes (30...

Associated ocular and systemic disease in congenital cataract

The authors examined the impact of accompanying systemic diseases on surgical planning and the postoperative period in patients undergoing congenital cataract surgery. This was a retrospective study over 2010–2024 of 142 patients (239 eyes): 75 females and 67 males. 45...

Changes in phoria measurements after physical activity

This study aimed to evaluate effects of physical activity (aerobic and anaerobic) on the latent eye deviation. The study recruited 20 competitive soccer players (10 myopes (mean -0.63D) and 10 emmetropic: 19 males), who underwent a total 90-minute exercise of...

Evaluation of superior rectus recession with Y-splitting for treatment of DVD

This prospective study evaluated superior rectus recession with Y-splitting for treatment of dissociated vertical deviation (DVD) looking at aspects of efficacy and complications. The study included 12 patients; 9 males and 3 females with mean age of 14.5 ±13.31 years...

Factors associated with presence of stereopsis in early treatment of refractive esotropia

The authors investigate the factors affecting better stereopsis outcomes in 29 patients with refractive accommodative esotropia with an age of onset within 6 months of life who were successfully treated. The study included 17 males and 12 females with mean...

Strengthening capacity for ophthalmic research within three East African VISION 2020 LINKS – The Research Mentorship Workshop

Building capacity for ophthalmic research in low- and middle-income countries is an important aim of the VISION 2020 LINKS Programme. The International Centre for Eye Health (ICEH) at the London School of Hygiene & Tropical Medicine (LSHTM) has been working...

Simulated ocular surgery: pars plana vitrectomy and scleral buckling surgery

See also Simulated ocular surgery and Simulated ocular surgery - strabismus surgery In this second article on ocular surgery simulation, we will discuss how vitreoretinal surgery can be simulated using high tech virtual reality modalities such as the Eyesi, as...

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...

Initiatives in macular service provision

A report from Monitor in October 2015 identifies good practices that will realise most of the potential productivity gain in elective care available to NHS hospitals. These include: stratifying patients by risk and creating low-complexity pathways for lower-risk patients (tailoring...

Immunoglobulin G4-related ophthalmic disease – what is it? (Part 1)

Part 1: Epidemiology, classification, radiology, histopathology and associations (see Part 2 here) In this two-part series, Li Yen Goh reviews IgG4 disease and reminds us of diagnostic challenges faced. Introduction Immunoglobulin G4 (IgG4) disease is a recently recognised idiopathic systemic...

Thyroid eye disease

Thyroid eye disease (TED) is an autoimmune condition with a spectrum of signs and symptoms, usually associated with Graves’ hyperthyroidism. The diagnosis is based on history and physical examination but there are further investigations that can aid diagnosis if unclear....