You searched for "volunteering"

402 results found

Retinotopic fMRI reveals visual dysfunction and functional reorganisation in the visual cortex of glaucoma patients

This study investigated the retinotopic functional representation in the visual cortex of mild to moderate primary open-angle glaucoma (POAG) participants and age-matched normal volunteers, using wide-view visual presentation, high-resolution retinotopic stimuli, and high-resolution blood oxygenation level dependent (BOLD) functional magnetic...

A novel computerised portable pupillometer detects and quantifies relative afferent pupillary defect

We have all had referrals from A&E telling us that a patient can’t see out of one eye. Sleepily we may ask “Is there an relative afferent pupillary defect (RAPD)?” to evaluate the seriousness of the presentation. The response is...

Reliability of kinetic perimetry in children and young adults

This study reports on normative visual field area, feasibility and repeatability of testing for a large sample size of healthy children and young adults, using Octopus semi-automated kinetic perimetry. Sample included 221 healthy volunteers aged 5-22 years. The study was...

Evaluation of keratometry with a novel colour LED corneal topographer

The Cassini topographer (i-Optics), which analyses corneal shape based on the reconstruction of specular reflections on 679 coloured LEDs, generates keratometry and is the new machine being compared in this study with other keratometry devices. The prospective comparative study included...

Does religious fasting affect intraocular pressure or retinal parameters?

Nearly one billion Muslims fast every year during the month of Ramadan. Due to the difference between the lunar and solar calendars, religious fasting time can range from 11 to 17 hours per day. This prolonged abstinence from food and...

Did the COVID-19 pandemic affect quality of life of patients newly diagnosed with intra-cranial hypertension?

Coronavirus disease 2019 (COVID-19) was identified as a global pandemic by the World Health Organization in March 2020. This article aimed to explore how the care of patients with idiopathic intra-cranial hypertension (IIH) was affected during the COVID-19 lockdown. The...

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...

Orbis UK release 2024 highlights video

Orbis UK have released their 2024 highlights video, revealing some of the incredible achievements their supporters helped make possible last year. The Orbis Flying Eye Hospital completed two sight-saving missions to Mongolia and Bangladesh. Orbis's clinical staff and Volunteer medical...

Andean Medical Mission in action 2025

Dear friends and supporters, What 12 months it has been for the Andean Medical Mission! Thanks to your encouragement and generosity, we’ve been able to continue our work to eliminate avoidable blindness in the Beni region of Bolivia — and...

Charity work in Cambodia: Culture, cataracts, and cruelty

Cambodia has one of the lowest numbers of eye specialist doctors per capita in the world, and Bita Manzouri takes us on a journey into the charitable work of the Khmer Sight Foundation who are working to combat this. “Ut...

Leading eyecare charity Orbis celebrates the 20th anniversary of Cybersight

Orbis celebrates the 20th anniversary of its award-winning telemedicine and e-learning platform, Cybersight.

Orbis Brings Sight-Saving Glaucoma Training to Rural Peru

International eyecare charity Orbis has kicked off a five-day, on-site hospital training programme in Trujillo, Peru, to enhance the skills of local eyecare professionals in treating glaucoma.