You searched for "gases"

3445 results found

The effect of caffeine on pupil size and accommodation

Twenty-two young and healthy participants were recruited in this study. The authors showed that pupil size increased as a result of caffeine consumption. A more stable (lower variability of accommodation) accommodative response (AR) was induced by caffeine intake, whereas the...

EEG changes following use of cyclopentolate 1% eye drops

Cycloplegic eye drops may affect the central nervous system. This study reports electroencephalogram (EEG) changes in a cohort of 6–15-year-old children. EEG recordings were taken after placebo and two doses of cyclopentolate 1% in 24 awake children (36 children had...

Optimising treatment with transscleral cyclophotocoagulation

This study compares the outcomes of transscleral diode laser cyclo-photo-coagulation with the treatment parameters used. This was a retrospective chart review of a random sample of diode laser procedures using the G-probe over 10 years for uncontrolled glaucoma. The main...

Fundus photography in Malawi – setting up a screening programmefor diabetic retinopathy

We present the case of a 53-year-old lady who presented to the diabetes outpatient clinic at Kamuzu Central Hospital (KCH), Lilongwe, Malawi. She was diagnosed with type 2 diabetes mellitus six years ago, for which she takes metformin orally. She...

More action on sepsis needed as NHS Ombudsman still seeing same failings a decade on

The UK’s Health Ombudsman has warned that sepsis is still taking too many lives due to the same hospital failings we were seeing over ten years ago.

Quiz Apr/May 2023

History A 76-year-old female presented at her local district general hospital with right decreased visual acuity, glare, and foreign body sensation, in addition to longer-term dry eyes. She was otherwise well. Her past medical history included hypertension. On examination: vision...

Supranuclear ocular motility disorders

Figure 1: Bilateral INO Introduction Complex ocular motility disorders are a diagnostic challenge. These patients come with very complex ocular motility presentations and require a careful and detailed assessment in order to find the correct diagnosis and arrange appropriate investigations....

In conversation with Dr Monicah Bitok, Global Inclusive Eye Health Advisor (CBM)

Eye News spoke to Dr Monicah Bitok, Global Inclusive Eye Health Advisor with the Christian Blind Mission (CBM), about the rise in diabetes-related preventable blindness, systemic ophthalmic changes in low- and middle-income countries, and the impacts of a COVID-19-induced backlog...

My Top Five: Social movements changing eyecare awareness

Throughout recent years, the rise of the digital age has allowed for social movements to receive far greater awareness than was ever deemed possible. As a result, significant attention has been drawn towards initiatives focusing on a range of health...

New Treatments in Noninfectious Uveitis

As a specialist registrar training in Aberdeen there were two important lessons I learned which have proved to be invaluable over the years for two very different reasons. The first lesson learned was to never underestimate the wind chill factor...

FOUNDATIONS OF INTRAOCULAR MICROSURGERY – Principles for Elite Performance Volume 1: Systemic Challenges

Cataract surgery is the most commonly performed intraocular surgery performed in the UK. It takes years of meticulous practice and experience to master the surgery and become a safe and slick surgeon. As the saying goes, “forewarned is forearmed.” Anticipating...

Know Your Risk: Glaucoma UK launches interactive online quiz to help prevent sight loss

Glaucoma is one of the leading causes of blindness in the UK – it can affect anyone, at any time, and is often symptomless. Approximately 700,000 people in the UK have glaucoma, but 50% of them don’t know - if...