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Retina Projection System Trials for Low Vision People

This study has been completed.
Sponsor:
Collaborators:
Nihon University
Kurume University
Miyata Eye Hospital
Fukuoka Kinen Hospital
Kimura Eye and Medical Hospital
Information provided by:
Osaka City University
ClinicalTrials.gov Identifier:
NCT00219427
First received: September 14, 2005
Last updated: May 20, 2008
Last verified: May 2008

September 14, 2005
May 20, 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 ] [ Designated as safety issue: No ]
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
Both
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No
Contact information is only displayed when the study is recruiting subjects
Japan
 
NCT00219427
OCUM2004681, OCUM2004681
Yes
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 Medical Hospital
Study Director: Kunihiko Shiraki, MD Dept. of Ophthalmology and Visual Sciences, Osaka City University, Graduate School of Medicine
Osaka City University
May 2008

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP