You searched for "visual"
Simulating the visual impairment symptoms of age-related macular degeneration in virtual reality
5 June 2023
| Cameron R M Wilson, Ian Underwood, Baljean Dhillon (Prof)
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AMD
A new virtual reality application visually simulates age-related macular degeneration and demonstrates its progression over time including some Charles Bonnet syndrome hallucinations. Introduction Age-related macular degeneration (AMD) is the leading cause of blindness in developed countries with the prevalence of...
Using perimetry to support lesion location in the retrochiasmal visual pathway
3 April 2023
| Lauren R Hepworth
The authors present a retrospective case review of patients with homonymous hemianopia from a 30-year period. Inclusion criteria included completion of perimetry within two years of diagnosis and a MRI brain. Data extracted from the records included demographics, diagnosis details...
Case reports of neuro-visual consequences of mild COVID-19 in children
31 October 2023
| Claire Howard
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Neuro-Ophthalmology, COVID-19
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COVID-19, Neurovisual manifestations, neuro-COVID19, opthalmoplegia, paediatric ophthalmology
Neuro-visual involvement has been reported in numerous patients with severe SARS-CoV-2 disease, mainly among adult patients. In children, such involvement has been reported in rare cases, often in those presenting with severe forms of COVID-19. The aim of this work...
Comparison of visual field indices between normal adults and children
31 May 2024
| Lauren R Hepworth
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Paediatric Ophthalmology / Strabismus
The authors present a prospective observational study which aimed to compare visual field indices with retinal nerve fibre layer (RNFL) thickness using optical coherence tomography (OCT) in normal adults and children. Children aged 6–18 years were recruited from a single...
Development of testing protocols for high and low contrast visual acuity
1 April 2018
| Claire Howard
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Neuro-Ophthalmology
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Amyotrophic lateral sclerosis, LCD tablet, high-contrast visual acuity, low-contrast visual acuity, pinhole
Dysfunction of the afferent visual system, characterised by impairments in high-contrast visual acuity (HCVA) and low-contrast visual acuity (LCVA) have been demonstrated in some neurological conditions such as multiple sclerosis and Parkinson’s disease. HCVA and LCVA are also potential quantitative...
Prognostic factors for visual acuity in patients with LHON after gene therapy
5 February 2020
| Ivan Yip
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Retina / Uvea / Vitreous
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Leber's hereditary optic neuropathy, ND4, gene therapy, prognosis
This retrospective study investigates prognostic factors affecting the visual acuity after a single intravitreal injection of rAAV2-ND4 gene therapy in 53 patients with Leber’s hereditary optic neuropathy (LHON) with mutation at site 11 778. Patients were reviewed one and three...
Management options for microphthalmia with orbital cyst with / without visual potential
3 April 2023
| Fiona Rowe (Prof)
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Paediatric Ophthalmology / Strabismus
The authors present six cases (seven eyes) of congenital microphthalmia and orbital cyst. These cases were newborn mainly with one aged 20 years. There were four females and two males and two of seven eyes had a visual potential of...
Transsynaptic retrograde degeneration linked to homonymous visual field loss after stroke
10 May 2024
| Lauren R Hepworth
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Neuro-Ophthalmology
centre, of individuals identified with homonymous visual field loss post ischaemic stroke. Exclusion criteria were bilateral ischaemia, anterior / pregeniculate visual pathway affected and other pathology with the potential to effect visual fields. The following were extracted from the medical...
Dementia and visual impairment: what is the relationship and are we providing the best care?
Carla Maden discusses the implications of living with both dementia and visual impairment, and how general medical junior doctors and ophthalmologists can help to alleviate this burden and improve the quality of life of such patients. Dementia and visual impairment...Children’s visual acuity test without professional supervision
3 April 2024
| Ivan Yip
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Paediatric Ophthalmology / Strabismus
With increasing outpatient demand there has been an innovative shift to involve patients managing their own condition. This article compares visual testing carried out by an orthoptist with usual clinical methods, an orthoptist using the iSIGHT Test Pro and a...
Visual disturbance heralding stroke: are we seeing the signs in time?
6 April 2021
| Parushak Rezai, Kardo Ala-Aldeen, Asaipillai Asokanathan
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Ophthalmology, Neuro-Ophthalmology, Optometry
Isolated visual symptoms may be an early presenting feature of stroke, and timely recognition of such atypical cases is important because treatment for stroke has a limited time-window of efficacy. Stroke occurs in approximately 150,000 people per year in the...
Macular imagery: observing the visual sensations pre- and post-Jetrea injections
25 September 2021
| Marika Troiani, Manoj Kulshrestha, Gayathri Sreekanth
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Ophthalmology, Retina / Uvea / Vitreous, ONLINE EXCLUSIVE ARTICLES
A 63-year-old woman, a professional painter, was diagnosed with vitreomacular traction (VMT) in 2017. She had a history of metamorphopsia, drop in visual acuity (VA) in the left eye (6/6 in the RE; 6/18 in the LE), foveal vitreomacular traction...