You searched for "refraction"

2336 results found

International variations in ROP treatment

A retrospective cohort review of 48,087 premature infants weighing <1500 gm between 24 to 27 weeks gestation, from 11 high income countries in Australia, New Zealand, Canada, Finland, Israel, Japan, Spain, Sweden, Switzerland, Tuscany (Italy) and the UK . By...

Effect of alcohol dependency on visual function

The purpose of this study was to evaluate visual function, attention and psychological profiles in consumer and abstainer alcohol dependency syndrome (ADS) patients in a Portuguese population. The study was a quantitative, descriptive, cross-sectional and correlational study over a one-year...

ARN in North Africa

Acute retinal necrosis (ARN) is a rare cause of uveitis. This paper aims to outline the clinical features of 12 patients with ARN in a referral centre in Tunisia, North Africa. A retrospective review of case notes was carried out....

Biodegradable plates in lateral orbitotomy surgery

This is a description of a new method for fixating the bone flap during a lateral orbitotomy. The technique involves the use of an absorbable lactide plate. This is warmed in a water bath to allow trimming and moulding to...

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...

Nanosecond laser cataract surgery

The authors review the evidence for nanosecond laser cataract surgery: is this the future? Cataract is a leading cause of visual impairment worldwide, and cataract surgery is one of the most successful and cost-effective healthcare interventions, with a great impact...

What's trending Feb/Mar 2019

#smartcaptionglasses #Epson #livetheatre #deaf Here is some good news for the New Year. Epson, a Japanese technology firm, has developed augmented reality glasses, which display captions timed with the actors’ performances [1]. Stage lighting, timing and other stage cues are...

A comparison of light sources in retinal imaging

Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...

The screening and treatment of retinopathy of prematurity

A male child is born at 31 weeks and requires 100% oxygen supplementation with intensive care. What would be the ophthalmic management of this child? In the first instance, it will be useful to know the screening criteria and protocol....

The assessment of pupils and 
pupillary reactions

Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...

The implementation of postoperative day 1 vitrectomy telephone follow-up consultations

In this pre-COVID-19 study, the authors argue that some follow-up consultations can be done by telephone without compromising patient safety. Thirty years ago, a study by Isernhagen et al. [1] found that 52% of patients required some form of unexpected...

PALs use for convergence excess esotropia

This retrospective study includes a disparate group of 39 esotropic patients with an accommodative element from two different clinics with differing prescribing practices. Seven children were excluded due to previous treatment or insufficient follow-up. In all patients single vision glasses...