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Vision Restoration Training in Glaucoma

NCT01799707 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2019-07-09

No results posted yet for this study

Summary

Importance: Visual field loss after retinal damage in glaucoma is considered irreversible and methods are needed to achieve vision restoration. Behavioral vision restoration training (VRT), shown to improve visual fields in hemianopia and optic nerve damage, might comprise such a method.

Objective: To determine if behaviorally activating areas of residual visual (ARV) using VRT by daily one hour training for 3 months improves detection performance in perimetry compared to a vision discrimination task in the intact visual field sector.

Conditions

Interventions

BEHAVIORAL

vision restoration training

visual stimuli repetitively presented to stimulate areas of residual vision. The training consists of luminance increment stimuli similar to perimetry and the task isa simple detection task (pressing a key whenever a target stimulus was detected).

BEHAVIORAL

Discrimination Training

the stimulus is a line segment (bar) which is always presented within the central ±5° visual field in one of four possible random orientations: horizontal, vertical, oblique to the right or oblique to the left. If the patient has visual field defects in this central area, 80% of the stimuli are presented in the intact part of the training region. The task is to identify the orientation of the line segment and press, as fast as possible, one of 4 assigned buttons on the keyboard.

Sponsors & Collaborators

  • University of Magdeburg

    lead OTHER

Principal Investigators

  • Bernhard A Sabel, PhD · University of Magdeburg

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
25 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2004-07-31
Primary Completion
2007-08-31
Completion
2013-03-31

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01799707 on ClinicalTrials.gov