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Retina Projection System Trials for Low Vision People

Sponsor
Osaka City University (Other)
Overall Status
Completed
CT.gov ID
NCT00219427
Collaborator
Nihon University (Other), Kurume University (Other), Miyata Eye Hospital (Other), Fukuoka Kinen Hospital (Other), Kimura Eye and Internal Medicine Hospital (Other)
58
Enrollment
6
Locations
11
Duration (Months)
9.7
Patients Per Site
0.9
Patients Per Site Per Month

Study Details

Study Description

Brief Summary

  1. Purpose
  1. Examination on Efficacy of Retina Projection System
  1. Patients
  1. Low vision patients

  1. Methods

  2. Vision aids

  • Retina Projection System

  • Face-mounted video display as control

  1. Comparison of Reading Speeds with both vision aids
Condition or Disease Intervention/Treatment Phase

    Detailed Description

    1. Purpose
    1. Examination on efficacy of a new vision aid of Retina Projection System

    1. Patients

    2. Low vision patients

    3. Vision between 0.06 and 0.3

    4. no exclusion on kinds of ocular diseases

    5. Methods

    6. Vision aids

    • Retina Projection System

    • Face-mounted video display as control

    1. Computer-aided measurement of reading speeds of individual characters

    2. Comparison of reading Speeds with the two vision aids

    Study Design

    Study Type:
    Observational
    Actual Enrollment :
    58 participants
    Observational Model:
    Case-Only
    Time Perspective:
    Prospective
    Official Title:
    Multicenter Clinical Trials of Retina Projection System
    Study Start Date :
    Jan 1, 2005
    Actual Primary Completion Date :
    Nov 1, 2005
    Actual Study Completion Date :
    Dec 1, 2005

    Arms and Interventions

    Arm Intervention/Treatment
    1

    Outcome Measures

    Primary Outcome Measures

    1. Reading speeds with two different vision aids [Visits for measuring reading speeds]

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    N/A and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:

    • low vision patients

    • vision between 0.06 and 0.3

    Exclusion Criteria:

    • light perception

    • hand motion

    • vision less than 0.06

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Kurume University Kurume Fukuoka Japan 830-0011
    2 Kimura Eye and Medical Hospital Kure Hiroshima Japan 737-0046
    3 Miyata Eye Hospital Miyakonojo Miyazaki Japan 885-0051
    4 Fukuoka Kinen Hospital Fukuoka Japan 814-8525
    5 Osaka City University Osaka Japan 545-8585
    6 Nihon University Surugadai Hospital Tokyo Japan 101-8309

    Sponsors and Collaborators

    • Osaka City University
    • Nihon University
    • Kurume University
    • Miyata Eye Hospital
    • Fukuoka Kinen Hospital
    • Kimura Eye and Internal Medicine Hospital

    Investigators

    • Study Director: Kunihiko Shiraki, MD, Dept. of Ophthalmology and Visual Sciences, Osaka City University, Graduate School of Medicine

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    , ,
    ClinicalTrials.gov Identifier:
    NCT00219427
    Other Study ID Numbers:
    • OCUM2004681
    • OCUM2004681
    First Posted:
    Sep 22, 2005
    Last Update Posted:
    May 22, 2008
    Last Verified:
    May 1, 2008
    Keywords provided by , ,
    Low vision
    Additional relevant MeSH terms:
    Vision, Low

    Study Results

    No Results Posted as of May 22, 2008