Abstract
Many people with total or partial visual impairment can use assistive technology (AT) to facilitate daily living activities. Smartphones and, especially, their applications, can be a tool of easy access and applicability as AT. The aim of this study was to develop an application for use on a smartphone or tablet to improve the visual ability of people with low visual acuity. The software, called Oftcam, was developed using the ANDROID operating system, written in Java Android under the Java version JDK 1.7, supporting the minimum version of Android 2.2. Its operating mechanism includes capturing and adjusting the image of interest to the users according to their needs: expansion, change of background and decentralization of the image of interest. The development of this free, easy-to-handle application will provide the possibility of integration between the user and the auxiliary professional, being, in practice, a mobile resource of health. Considering that most people have an increasing access to phones and tablets, we believe the use of this application is a good alternative to integrate the need and practicality in the daily lives of the visually impaired people.
Highlights
The eye is an important sensory organ that influences people's quality of life (CYPEL et al, 2017)
The present study aims to develop a smartphone or tablet application with the principle of assistive technology for individuals with low vision
This work was conducted in the Laboratory of Sensory Motor Rehabilitation Engineering of the University of Vale do Paraíba - Univap
Summary
The eye is an important sensory organ that influences people's quality of life (CYPEL et al, 2017). 45 million people worldwide are blind (PIZZARELLO et al, 2004) and 191 million people presented moderate to severe visual impairments in 2010 (STEVENS et al, 2013). Low visual acuity (LVA) is a significant cause of sensory impairment, causing approximately 90% of deprivation of all patient’s perceptions. Visual impairment has a significant impact on the quality of life of the population, including work and relationships. Almost half of the visually impaired subjects feel isolated from other people and from the surrounding environment (HAKOBYAN et al, 2013). LVA affects both young and elderly people, and may occur over short or long distances (STUMP, 2011)
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