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Using ‘piggyback prisms’ to measure large angle strabismus – don’t simply add them together

An experimental study was conducted with the aim of developing a method to measure strabismus angles larger than 50 prism dioptres (PD) using ‘piggyback prisms’ – stacking Fresnel and block prisms. The stacked prisms were placed 2cm from the light...

Microdroplet and splatter contamination during phacoemulsification in COVID-19 era

Half a millilitre of fluorescein was incorporated into 400ml of balanced salt solution to identify microdroplet and splatter from phacoemulsification to simulate possible COVID-19 contamination. Five porcine eyes were mounted to an ophthalmic mannequin head and two surgeons (height 189cm,...

Is it NAION… Now what?

Case presentation We present the case and discussion of a 46-year-old Caucasian male who complained of immediate reduced vision following complicated neck dissection including a total laryngopharyngectomy, free flap reconstruction for a T4N3 squamous cell carcinoma (SCC) of the left...

Management of giant retinal tears with vitrectomy and perfluorocarbon liquid postoperatively as a short-term tamponade

The authors report an eight year retrospective case series study of 30 eyes of 29 patients with who underwent a giant retinal tear-related retinal detachment repair. M: F ratio was 23:6. Right to left eye ratio was 16:14. The mean...

Orbis launches podcast and vodcast series exploring cutting edge tech

A new podcast and vodcast series exploring cutting edge tech to curb rise in preventable blindness has been launched by international eye health charity, Orbis.

FAQs about cerebral visual impairment (CVI): identifying and helping those affected

Cerebral visual impairment is common in both adults and children, yet the diagnosis can easily be missed unless one is tuned into the presenting features. This article provides a succinct introduction to this important topic. What is vision? Vision is...

Ollie Finn is elected as the 25th known Clerk of the Worshipful Company of Spectacle Makers

The Worshipful Company of Spectacle Makers is pleased to announce that Ollie Finn has succeeded Helen Perkins as Clerk, becoming the 25th known Clerk of the Company. Ollie previously worked for two years as Clerk to the Worshipful Company of...

Orbis teams up with the Alcon Foundation and OMEGA to improve eyecare in Zambia

The Orbis Flying Eye Hospital returns to Zambia for a three-week training project in Lusaka coinciding with World Sight Day on October 12.

Thomson Software pledges support for new VCHP clinics

Thomson software Solutions has pledged to support all the new Vision Care for Homeless People clinics which are scheduled to open in the next five years throughout the UK.

Friends of Moorfields shortlisted for the Charity Awards 2025

We are delighted to announce that we have made the shortlist for this year’s Charity Awards, the longest-running awards scheme in the charity sector. Friends of Moorfields has been shortlisted in the Healthcare and Medical Research category for our handholding...

AI glaucoma screening cost-effective in the Netherlands?

Population-wide screening for glaucoma has traditionally been deemed not cost-effective due to high costs and low disease prevalence. This Dutch study re-evaluates this position by introducing artificial intelligence (AI) to the screening model. The authors developed a health-economic model comparing...

Normal reference values for the RETeval device

The purpose of this study was to provide normative data of full-field electroretinography (ERG) responses in the paediatric population using the RETeval device in healthy children with normal retinas. This was a prospective study of 38 eyes of 20 patients...