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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
  Purpose
  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

Condition
Vision, Low

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Multicenter Clinical Trials of Retina Projection System

Further study details as provided by Osaka City University:

Primary Outcome Measures:
  • Reading speeds with two different vision aids [ Time Frame: Visits for measuring reading speeds ]

Enrollment: 58
Study Start Date: January 2005
Study Completion Date: December 2005
Primary Completion Date: November 2005 (Final data collection date for primary outcome measure)

Detailed Description:
  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
  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
primary care clinic
Criteria

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
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00219427


Locations
Japan
Kurume University
Kurume, Fukuoka, Japan, 830-0011
Kimura Eye and Medical Hospital
Kure, Hiroshima, Japan, 737-0046
Miyata Eye Hospital
Miyakonojo, Miyazaki, Japan, 885-0051
Fukuoka Kinen Hospital
Fukuoka, Japan, 814-8525
Osaka City University
Osaka, Japan, 545-8585
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
  More Information

Responsible Party: Kunihiko Shiraki, MD, Osaka City University, Dept of Ophthalmology
ClinicalTrials.gov Identifier: NCT00219427     History of Changes
Other Study ID Numbers: OCUM2004681
First Submitted: September 14, 2005
First Posted: September 22, 2005
Last Update Posted: May 22, 2008
Last Verified: May 2008

Keywords provided by Osaka City University:
Low vision

Additional relevant MeSH terms:
Vision, Low
Vision Disorders
Sensation Disorders
Neurologic Manifestations
Nervous System Diseases
Eye Diseases
Signs and Symptoms