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Retina Projection System Trials for Low Vision People

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00219427
First Posted: September 22, 2005
Last Update Posted: May 22, 2008
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborators:
Nihon University
Kurume University
Miyata Eye Hospital
Fukuoka Kinen Hospital
Kimura Eye and Internal Medicine Hospital
Information provided by:
Osaka City University
September 14, 2005
September 22, 2005
May 22, 2008
January 2005
November 2005   (Final data collection date for primary outcome measure)
Reading speeds with two different vision aids [ Time Frame: Visits for measuring reading speeds ]
Reading speeds with two different vision aids
Complete list of historical versions of study NCT00219427 on ClinicalTrials.gov Archive Site
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Retina Projection System Trials for Low Vision People
Multicenter Clinical Trials of Retina Projection System
  1. Purpose

    a. Examination on Efficacy of Retina Projection System

  2. Patients

    a. Low vision patients

  3. Methods

    1. Vision aids

      • Retina Projection System
      • Face-mounted video display as control
    2. Comparison of Reading Speeds with both vision aids
  1. Purpose

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

  2. Patients

    1. Low vision patients
    2. Vision between 0.06 and 0.3
    3. no exclusion on kinds of ocular diseases
  3. Methods

    1. Vision aids

      • Retina Projection System
      • Face-mounted video display as control
    2. Computer-aided measurement of reading speeds of individual characters
    3. Comparison of reading Speeds with the two vision aids
Observational
Observational Model: Case-Only
Time Perspective: Prospective
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Non-Probability Sample
primary care clinic
Vision, Low
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1
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
58
December 2005
November 2005   (Final data collection date for primary outcome measure)

Inclusion Criteria:

  • low vision patients
  • vision between 0.06 and 0.3

Exclusion Criteria:

  • light perception
  • hand motion
  • vision less than 0.06
Sexes Eligible for Study: All
Child, Adult, Senior
No
Contact information is only displayed when the study is recruiting subjects
Japan
 
 
NCT00219427
OCUM2004681
OCUM2004681
Yes
Not Provided
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Kunihiko Shiraki, MD, Osaka City University, Dept of Ophthalmology
Osaka City University
  • Nihon University
  • Kurume University
  • Miyata Eye Hospital
  • Fukuoka Kinen Hospital
  • Kimura Eye and Internal Medicine Hospital
Study Director: Kunihiko Shiraki, MD Dept. of Ophthalmology and Visual Sciences, Osaka City University, Graduate School of Medicine
Osaka City University
May 2008