Compensatory Reading Training for People with Homonymous Visual Field Defects – a Randomised Controlled Trial Protocol

Sarah Tol, Joost Heutink, Evert Veldman, Birgit van Iddekinge, Frank Hoeben, Bart Melis-Dankers, Kerstin Spielmann, Annette Bootsma, Gera de Haan

Onderzoeksoutput: PosterAcademic


Homonymous visual field defects (HVFDs) are among the most common consequences of damage to postchiasmatic brain areas. As many as 80% of the people with HVFDs may suffer from reading difficulties, which can have a severe negative impact on patients’ daily life. These reading difficulties include reduced reading speed, making more errors, skipping words or lines, reduced reading endurance, and having problems understanding the information that is read.

In the Netherlands, rehabilitation centres currently do not offer evidence-based training to improve reading difficulties in people with HFVDs. There is a need for community-based clinical research with strong methodology to investigate the effects of reading training for people
with HVFDs, as well as to provide recommendations for rehabilitation practice. We describe a novel project that aims to establish the effectiveness of two in-practice developed compensatory
reading trainings for people with reading difficulties due to HVFDs. Collaborating with two leading centres of expertise for visually impaired people, a single-blind randomised controlled trial is being developed, comparing saccadic reading training (‘Vistra’), rotated reading training
and a waiting list control group. The goal of Vistra is that people with reading difficulties
compensate for the HVFD by adapting their eye movements whilst reading. Rotated reading training aims to reduce the effects of the HVFD by learning people to read in a different, individually tailored direction such as diagonally.

Participants with HVFDs will receive initial assessment of visual functions, reading performance and neuropsychological screening. At fixed moments, pre- and post-training assessments will take place. Participants in the waiting list control group will receive no training in between preand post-assessments. Outcome measures will focus on reading performance, vision-related quality of life, social participation and reading-related activities.
Originele taal-2English
StatusPublished - 10-jun.-2021

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