Reading Training in Hemianopia - Pilot study

Conditions: Homonymous Visual Field Disorders due to Acquired Brain Injury

Registration Number: NL-OMON26239

Lead Sponsor: Royal Dutch Visio, Bartiméus

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: 10

Inclusion Criteria

In order to be eligible to participate in this study, a subject must meet all of the following criteria:
? Homonymous visual field defect (at least a quadrantanopia, either right-sided or left-sided) due to acquired post-chiasmatic brain injury
? At least three months between onset HVFD and the first measurement
? Near visual acuity >= 0.5 with patient’s own current correction
? MMSE score >=24
? Age >= 18 years
? Presence of by participant formulated treatment goal regarding reading

Exclusion Criteria

A subject who meets any of the following criteria will be excluded from participation in this study:
? Additional visual field defect (at least cluster) in ipsilesional visual hemi-field
? Pre-existing dyslexia/ illiteracy/ low literacy/ other pre-morbid reading problems
? No clear neurological cause of HVFD
? Presence of comorbid neglect

The following criteria are made on the premise that, when present, they will impair the ability to successfully follow the intervention:
? Communication difficulties (e.g. severe hearing impairment, no fluent understanding of Dutch language, severe aphasia as indicated by the Token test)
? Negative advice of treatment team regarding reading intervention participation, due to e.g. severe psychiatric, cognitive or visual perception disorders, problems with health, motivation or illness awareness or misuse of drugs/alcohol/medication
? Additional visual disturbances (e.g. diplopia, metamorphopsia, low contrast sensitivity)

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The following information will be collected in order to answer the feasibility pilot objectives:<br>• Qualitative data from the self-developed semi-structured interviews after pre-training measurement and post-training measurement<br>• Number of participants in the pilot phase who want to participate<br>• Number of participants in the pilot phase meeting the inclusion criteria<br>• Number of participants completing the intervention and post-training assessment vs. withdrawn participants<br>• Distribution of scores on RCT parameters<br>• Assessment logbook notes from the researchers<br>• Subjective experiences from health care professionals involved about the study procedure (as indicated on surveys which will be distributed at the end of the feasibility phase as well as reflection sessions between health care professionals and the researchers)

Secondary Outcome Measures