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Use of technology in low vision rehabilitation

This article is a review of the accessibility features available on tablets and smartphones for the visually impaired. It explains exactly what the accessibility features are, how to access them and how to use them as well as some useful...

Burning vision: vision loss from misuse of ‘toy’ laser pens in children

A case series of five children with macular burns due to the misuse of novelty laser products, purchased online or abroad, was undertaken at the Royal Hallamshire Hospital and The Children’s Hospital, Sheffield [1]. All patients were from the Sheffield...

Risk factors for failed vision screening

Failure rates on vision screening tests were reported by age and racial / ethnic categories in a large sample of children with most aged 6-11 years. Many children resided in lower socioeconomic status areas. Data was taken from 9743 children....

The rarebit vision test for macular conditions

Rarebit testing is used to measure low degrees of neuro-visual damage and is available for free on the internet. It consists of a fixed bright light dot presented on a black background. During testing it is presented briefly at different...

VISION 2020 LINKS: Retinoblastoma 
in Africa

The VISION 2020 LINKS Programme is part of the ‘VISION 2020: The Right to Sight’ global initiative to eliminate avoidable blindness [1]. The LINKS Programme works with overseas eye departments to help identify priorities and match their priority needs with...

Importance of vision input to postural stability

This literature review was undertaken to overview postural stability in strabismus and amblyopia. Postural stability is a complex skill that coordinates dynamic sensory mechanisms to facilitate sustained balance. The review discusses critical roles of vision in postural stability, e.g. postural...

Eye testing at home – developing an app for measuring vision

COVID-19 has made home vision monitoring a necessity. Stephanie Campbell shares how her idea for a vision testing app that would engage patients became a reality. Months before COVID-19 first began to mutate to its human host, there was a...

Effect of oxygen levels on binocular summation of dark vision

Previous studies have reported conflicting results on the existence of binocular enhancement of dark vision. This study compares monocular and binocular absolute thresholds of dark adaptation in two different populations (healthy individuals and those with chronic respiratory insufficiency). The study...

Mapping areas to target location of vision screening services

In this study, the authors analysed data from a community vision screening program to determine the efficiency of vision screening in reaching lower income populations. The study used ArcGIS (Esri) mapping software to develop a visual representation of areas needing...

Vision loss during Eylea treatment for AMD

This report investigated patients who lost more than two lines of vision despite periodic injections of aflibercept and explored the factors associated with vision loss. One hundred and ninety-six eyes were included in this study over a two year period....

Mechanism of colour vision involvement in multiple sclerosis

There is evidence to show that the optic nerve and retina are affected in multiple sclerosis (MS) even without any clinical evidence or history of optic neuritis (ON). MS without optic neuritis causes colour-vision deficit, however, the evidence for selective...

Children with Vision Impairment: Assessment, Development, and Management

Childhood blindness is a major public health concern worldwide with several implications ranging from a child’s development, education, and employment opportunities to social and functional challenges. This book offers a succinct, sequential approach to understanding conditions which lead to visual...