You searched for "correction"

2314 results found

Fusion vergence measures

The purpose of this study was to compare fusional vergence measurements between orthophoria, esophoria and exophoria and determine the strength of correlation between fusional vergence and angle of deviation. This was a cross-section study of 530 children aged six to...

Meibomian gland dropout in patients with dry eyes

In this prospective study 264 patients with symptoms of dry eye were examined with a non-contact meibography system to assess the morphological changes in their meibomian glands. These patients were not previously diagnosed with meibomian gland dysfunction and patients with...

Screening for stroke-related visual problems

The aim was to report the initial development and evaluation of a suitable screening tool for detecting visual problems after stroke. The tool has four components. The first three include questions asked by examiners about patients’ ocular history and symptoms,...

Reliability of Fluorescein Dye Disappearance Test (FDDT)

The authors look at the role of the FDDT in the evaluation of adults with primary acquired nasolacrimal duct obstruction (PANDO) and its correlation with the age and severity of epiphora. They report the results of a prospective cross-sectional comparative...

Handbook of Pediatric Retinal OCT and the Eye-Brain Connection

Paediatric optical coherence tomography (OCT) imaging of the eye remains an evolving technology to date. This handbook delves into this challenging area successfully and gives a comprehensive and detailed input into paediatric OCT pertaining to the retina and the optic...

The butterfly effect

One of the most fascinating aspects of being a consultant is seeing the workings of the machine that is medical training from the other side. For two years now I have taken part in the specialty recruitment interviews and it...

Covid-19

I am writing this on 21 March 2020, and I am pretty confident that by the time you read this that whatever I say will already be hopelessly out of date. Plus, it’s only really what I think, and I...

Culture positivity of needles for IVT injections

Given the worldwide use of intravitreal (IVT) injections, the authors of this paper set out to evaluate the rate of culture positivity of the needles used in routine IVT injections and compare this positivity between 27-gauge and 30-gauge needle tips....

Iranian values for childhood convergence

The authors aimed to determine near point of convergence (NPC) values in a population-based study in Iranian schoolchildren with a large sample size. They explored its relation to factors such as age, gender, refractive error and near point of accommodation....

Refractive surprise after cataract surgery caused by posterior capsular striae

Cataract removal with intraocular lens (IOL) implantation is one of the most frequently performed surgeries in current clinical practice [1,2]. New microsurgical techniques and refined IOL power calculations allow excellent refractive outcomes. Refractive surprise following cataract surgery is uncommon [1-3]...

Neurofibromatosis type 2 – diagnosis, features and MDT approach

NF2 is a genetic condition caused by mutation in a single gene (NF2 gene) on chromosome 22. The NF2 gene provides instructions to produce a protein called merlin, also known as schwannomin. This protein functions as a tumour suppressor, preventing...

Imaging and histological relationship of orbital Schwannomas

This is a retrospective review of 15 patients with orbital Schwannomas comparing the radiological characteristics, in particular the signal intensity on MRI, with the histological sub-types of the tumours. Five patients had MRI imaging alone, three had CT alone and...