You searched for "virtual"

2502 results found

Visual defects in deaf children and young adults

This literature review article serves as a great update on the current evidence relating to visual defects in the young deaf population. There is a good introduction with background information and demographic data relating to UK hearing impairment. The authors...

Strabismus surgery outcomes in Zika syndrome

This study describes the surgical treatment for five children with congenital Zika syndrome and horizontal strabismus. Six-month follow-up outcomes are reported. There were three females and two males with mean age at surgery of 36.4 ±0.9 months. All had history...

Screening for visual processing deficits in dementia

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...

Outcomes of chemo versus no therapy for optic pathway glioma in NF1

The aim of this study was to evaluate the visual outcomes of a cohort of children with optic pathway gliomas and neurofibromatosis type 1 (NF1), with comparison of children treated with chemotherapy or not. This was a retrospective study of...

Using perimetry to support lesion location in the retrochiasmal visual pathway

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 report review of children with septo-optic dysplasia and optic nerve hypoplasia

Septo-optic dysplasia (SOD) and optic nerve hypoplasia (ONH) cause congenital visual impairment. Their aetiology is mostly unknown. The authors aim was to investigate the prevalence of specified ophthalmological features in patients with these disorders. These features included impaired visual acuity,...

Symfony and vivity: comparing two EDOF IOLs

This prospective, randomised, double-masked, single-surgeon study compared the visual outcome between two commonly used extended depth of focus (EDOF) lenses, the Tecnis Symfony IOL (Johnson & Johnson Vision) and the Acrysof IQ Vivity IOL (Alcon Laboratories, Inc.). Sixty-nine patients underwent...

Case reports of neuro-visual consequences of mild COVID-19 in children

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...

Natural history of optic nerve head drusen in a paediatric population

A retrospective case notes review is presented focusing on children diagnosed with optic nerve head drusen over an eight-year period. Inclusion criteria included cases coded for optic nerve head drusen and / or pseudopapilledema. The aim of the study was...

Combined in-office and home-based eccentric viewing training for central vision loss

This retrospective study aimed to investigate the effectiveness of an eccentric viewing training (EVT) programme delivered in a real-world setting (home exercises) by combining a traditional EVT technique with biofeedback training using microperimetry. The authors investigated potential relationships between visual...

Avoiding prominent facial features during perimetry

The authors present a case series including six healthy participants prospectively recruited. All participants had no ocular pathology. The assessment included identification of their dominant eye for use in testing. A 60-4 SITA standard visual field assessment was completed in...

Genetic analysis of choroideremia families

Choroideremia (CHM) is a rare X linked recessive chorioretinal dystrophy. Symptoms include nyctalopia and progressive peripheral field loss. Female carriers may have mild symptoms. Choroideremia is known to be caused by a mutation in the CHM gene. A multicentre human...