You searched for "visual"
Screening for visual processing deficits in dementia
5 April 2022
| Claire Howard
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Neuro-Ophthalmology
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Dementia, cognitive impairment, screening test, visual deficits, visuospatial
The Queen Square Screening test for Visual Deficits (QS test) screens for changes in visual processing. It has never been formally validated as a single test. The test consists of a short booklet developed using remnant object and spatial perception...
Use of acetazolamide for symptoms of visual vertigo
Visual vertigo is a disorder characterised by symptoms of dizziness, vertigo, unsteadiness, disorientation and general discomfort induced by visual triggers. It is currently treated with vestibular rehabilitation therapy, with no effective pharmacotherapy options available for treatment resistant case. Oral acetazolamide...Effect of alcohol dependency on visual function
1 June 2022
| Fiona Rowe (Prof)
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Paediatric Ophthalmology / Strabismus
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Abstinent, Alcoholism, Orthoptic Examination, Psychological Variables, Visual Attention
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...
PERG as a visual prognosticator in chiasmatic tumours
1 April 2014
| Anjali Gupta
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Ophthalmology
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chiasmal compression, pattern electroretinogram, sellar tumour
Pattern electroretinogram (PERG) allows assessment of ganglion cell function and may therefore be used to assess anterior visual pathway dysfunction. This prospective non-randomised study assessed PERG before and after surgical removal of tumours in and around the sellar region compressing...
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,...Visual performance of new multifocal IOL
1 February 2015
| Mrinal Rana
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Cataract and Refractive
Multifocal IOLs (MIOLs) keep evolving to try and get the best outcome in terms of vision and reduction of side-effects. This prospective interventional study was carried out on 34 eyes of 17 patients (11 women (65%) and six men (35%))...
Albinism and later life visual development
1 October 2019
| Fiona Rowe (Prof)
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Paediatric Ophthalmology / Strabismus
This study aimed to evaluate whether best corrected visual acuity changed significantly in the second decade of life in those with albinism and the impact of extraocular muscle surgery and type of albinism on change in acuity during the second...
Visual acuity conversion to digital acuity
5 April 2022
| Fiona Rowe (Prof)
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Paediatric Ophthalmology / Strabismus
The author proposes a basic set of evidence-based digital acuities for alpha vision to facilitate formatting of visual acuity data uniformly. This work was informed by a review of the literature. A full table provides US and international classification of...
Computerised visual acuity measurements in AMD
1 December 2015
| Nana Theodorou
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Retina / Uvea / Vitreous
The aims of this study were to investigate whether half-letter width spacing in COMPlog algorithms had an adverse effect on agreement in patients with AMD with the ETDRS chart. Fifty adult participants with AMD took part with a median age...
Visual fields and OCT in hydroxychloroquine retinopathy
1 October 2014
| Brian Ang
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Retina / Uvea / Vitreous
It has been recommended that patients on hydroxychloroquine be monitored regularly for retinopathy. However, there has not been an agreement as to the best screening test for hydroxychloroquine toxicity, which may include visual fields (VF), fundus autofluorescence, spectral domain optical...
COMPlog – Electronic visual lane software
COMPlog is software designed to replace physical Snellen and LogMAR charts. We have been using COMPlog since 2017 in the unit where I work. Some readers may find our experience, and reasons for choosing this product, interesting. This article is...How to examine the visual system Part 1: visual acuity, visual fields and eye movements
1 June 2014
| Emma Linton, Apostolos Fotakakis
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Retina / Uvea / Vitreous
Asking candidates to perform an examination of the visual system, either as part of a full cranial nerve exam or as an individual entity, is a common station in practical examinations during medical school. It is important to practise for...