You searched for "gases"

3446 results found

BT outcomes under open versus closed sky technique

This retrospective study compared open versus closed sky BT injection techniques without electromyography (EMG) control in 135 patients (31 open sky and 104 closed). Patients were aged 1-50 years for open sky and 2-34 years for closed. There was a...

BT vs primary surgery for infantile esotropia

In this study, the success rate of treatment for infantile esotropia (IET) patients who had surgery because of under correction after botulinum toxin (BT) is compared to those having primary surgery. The study included 52 patients (27 male) with mean...

Strabismus prevalence in a Pakistan population

The aim of this study was to compile the available literature reporting the prevalence of strabismus in Pakistan and calculate the pooled prevalence of strabismus in the Pakistan population. Meta analysis was conducted with 10 studies with a total of...

Cost-effectiveness of orthoptic-delivered screening versus school nurse screening

The authors describe a long-term audit of outcomes and costs associated with referrals from two established neighbouring school-entry vision screening services in the UK over one academic year with one adhering to national UK screening guidelines more closely than the...

In vivo confocal microscopy, principles and use in keratitis Part 1: Principles

In 1968 Maurice introduced the concept of high powered specular microscopy, it was in that very year that the first scanning confocal microscope was proposed. Marvin Minsky developed the first confocal microscope in 1955 named the ‘double focusing scanning microscope’....

Poppers retinopathy: What is it and how do we treat it?

Poppers retinopathy is a relatively unknown phenomenon which afflicts users of poppers but should be considered as a differential in sudden-onset or sub-acute visual acuity loss – particularly in patients with a history of recreational drug use. Raising awareness of...

Corneal transplantation in the United Kingdom: are we blind to the challenges that still exist after the Organ Donation Bill?

Corneal transplantation (CT) is a significant treatment option for a huge number of patients in the United Kingdom (UK) [1]. For an individual, CT results in a substantial improvement in quality of life. Penetrating keratoplasty with full thickness grafting has...

Commonest mistakes during the refraction certificate exam

Ophthalmology specialty trainees are required to pass the refraction certificate exam within the first two years of training. If one passes this exam before entering a training programme, this can add two points to the portfolio during applications. In this...

My work experience with Great Ormond Street Hospital Young Persons’ Advisory Group for Research

For my school work experience I had the amazing opportunity to attend and work with the Great Ormond Street Hospital (GOSH) Young Persons’ Advisory Group for research (YPAG) (Figure 1). The GOSH YPAG is a group of young people aged...

The future of binocular viewing systems?

I recently had the pleasure to visit Vision Engineering’s headquarters and manufacturing facility in Woking, UK. Vision Engineering have built an international reputation for engineering microscopes that provide 3D visualisation without the use of traditional optical eyepieces. Although the company...

Empatheyes

For Dec/Jan 2024 we are showcasing a remarkably well-named technological solution. Empatheyes provides a unique way for people to increase their understanding of the experience of having a sight disorder. Whether for parents of children with sight disorders, corporate awareness...

CHEC Northampton recognised as ‘Outstanding’

Care and Quality Commission awards community eye hospital highest possible rating.