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Review
. 2015 Jun 18;2015(6):CD011350.
doi: 10.1002/14651858.CD011350.pub2.

Assistive technology for children and young people with low vision

Rachel Thomas  1 , Lucy Barker, Gary Rubin, Annegret Dahlmann-Noor
Affiliations
Review

Assistive technology for children and young people with low vision

Rachel Thomas et al. Cochrane Database Syst Rev. .

Abstract

Background: Recent technological developments, such as the near universal spread of mobile phones and portable computers and improvements in the accessibility features of these devices, give children and young people with low vision greater independent access to information. Some electronic technologies, such as closed circuit TV, are well established low vision aids and newer versions, such as electronic readers or off-the shelf tablet computers, may offer similar functionalities with easier portability and at lower cost.

Objectives: To assess the effect of electronic assistive technologies on reading, educational outcomes and quality of life in children and young people with low vision.

Search methods: We searched CENTRAL (which contains the Cochrane Eyes and Vision Group Trials Register) (2014, Issue 9), Ovid MEDLINE, Ovid MEDLINE In-Process and Other Non-Indexed Citations, Ovid MEDLINE Daily, Ovid OLDMEDLINE (January 1946 to October 2014), EMBASE (January 1980 to October 2014), the Health Technology Assessment Programme (HTA) (www.hta.ac.uk/), the metaRegister of Controlled Trials (mRCT) (www.controlled-trials.com), ClinicalTrials.gov (www.clinicaltrials.gov) and the World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP) (www.who.int/ictrp/search/en). We did not use any date or language restrictions in the electronic searches for trials. We last searched the electronic databases on 30 October 2014.

Selection criteria: We intended to include randomised controlled trials (RCTs) and quasi-RCTs in this review. We planned to include trials involving children between the ages of 5 and 16 years with low vision as defined by, or equivalent to, the WHO 1992 definition of low vision. We planned to include studies that explore the use of assistive technologies (ATs). These could include all types of closed circuit television/electronic vision enhancement systems (CCTV/EVES), computer technology including tablet computers and adaptive technologies such as screen readers, screen magnification and optical character recognition (OCR). We intended to compare the use of ATs with standard optical aids, which include distance refractive correction (with appropriate near addition for aphakic (no lens)/pseudophakic (with lens implant) patients) and monocular/binoculars for distance and brightfield magnifiers for near. We also planned to include studies that compare different types of ATs with each other, without or in addition to conventional optical aids, and those that compare ATs given with or without instructions for use.

Data collection and analysis: Independently, two review authors reviewed titles and abstracts for eligibility. They divided studies into categories to 'definitely include', 'definitely exclude' and 'possibly include', and the same two authors made final judgements about inclusion/exclusion by obtaining full-text copies of the studies in the 'possibly include' category.

Main results: We did not identify any randomised controlled trials in this subject area.

Authors' conclusions: High-quality evidence about the usefulness of electronic AT for children and young people with visual impairment is needed to inform the choice healthcare and education providers and family have to make when selecting a technology. Randomised controlled trials are needed to assess the impact of AT. Research protocols should carefully select outcomes relevant not only to the scientific community, but more importantly to families and teachers. Functional outcomes such as reading accuracy, comprehension and speed should be recorded, as well as the impact of AT on independent learning and quality of life.

PubMed Disclaimer

Conflict of interest statement

Rachel Thomas has no commercial or proprietary interests to declare. Lucy Barker has no commercial or proprietary interests to declare. Gary Rubin has no commercial or proprietary interests to declare. Annegret Dahlmann‐Noor has no commercial or proprietary interests to declare.

Figures

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Results for searching for studies for inclusion in the review
See this image and copyright information in PMC

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  • doi: 10.1002/14651858.CD011350

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References

References to studies excluded from this review

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    1. Usumoto N, Arai M, Fujita K, Cheng HM, Hirose T. An efficacy and eligibility study of portable closed‐circuit television as a low‐vision aid. Investigative Ophthalmology and Visual Science 2002;43:ARVO E‐abstract 3831.

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References to other published versions of this review

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