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Visual Field Restoration in Patients With Post-stroke Homonymous Hemianopsia

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StatusTerminated
Sponsors
Fondation Ophtalmologique Adolphe de Rothschild

Keywords

Abstract

This study will assess the effectiveness of a stimulus, in the blind field of hemianopsic patients, to restore the vision of patients with homonymous hemianopsia consecutive to stroke (unilateral occipital lesion). Hemianopsia occurs in 30% of strokes regardless of the cerebral localization and in 60% of stroke interesting the territory of the posterior cerebral artery.

Dates

Last Verified: 11/30/2019
First Submitted: 08/28/2016
Estimated Enrollment Submitted: 08/28/2016
First Posted: 08/31/2016
Last Update Submitted: 12/10/2019
Last Update Posted: 12/12/2019
Actual Study Start Date: 12/12/2016
Estimated Primary Completion Date: 11/24/2019
Estimated Study Completion Date: 11/24/2019

Condition or disease

Hemianopsia

Intervention/treatment

Other: stimulation of the blind visual field

Phase

-

Arm Groups

ArmIntervention/treatment
Experimental: immediate rehabilitation
Other: delayed rehabilitation

Eligibility Criteria

Ages Eligible for Study 18 Years To 18 Years
Sexes Eligible for StudyAll
Accepts Healthy VolunteersYes
Criteria

Inclusion Criteria:

- Presence of an homonymous visual field amputation after vascular retrochiasmatic lesion of the occipital region (visual cortex alone or with optical radiations or with other associated occipital areas)

- inclusion 3 months to 36 months after stroke

- Patients aged 18 years and older

Exclusion criteria:

- Brain injury history

- Severe neuropsychological, psychiatric or behavioral disorder

- Severe eye disorder or visual impairment (visual acuity less than 3/10)

- Progressive eye disorder (cataracts or glaucoma)

- insufficient French language proficiency to understand the questionnaires and rehabilitation tasks

- patient under legal protection

- patient's opposition to participate in the study

- no medical insurance coverage

- pregnant pr breastfeeding patient

Outcome

Primary Outcome Measures

1. change in the sensitivity of detection of a visual stimulus after rehabilitation [change from baseline sensitivity at week 22]

change in the mean number of points where the sensitivity is lower than 15db in each contralesional hemifield, before and after rehabilitation

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