Retina Projection System Trials for Low Vision People

This study has been completed.

First Received: September 14, 2005 Last Updated: May 20, 2008 History of Changes

Sponsors and Collaborators:	Osaka City University Nihon University Surugadai Hospital Kurume University Miyata Eye Hospital Fukuoka Kinen Hospital Kimura Eye and Medical Hospital
Information provided by:	Osaka City University
ClinicalTrials.gov Identifier:	NCT00219427

Purpose

Purpose

a. Examination on Efficacy of Retina Projection System
Patients

a. Low vision patients
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:	Case-Only, 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 ] [ Designated as safety issue: No ]

Biospecimen Retention: None Retained

Biospecimen Description:

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)

Groups/Cohorts
1

Detailed Description:

Purpose

a. Examination on efficacy of a new vision aid of Retina Projection System
Patients
1. Low vision patients
2. Vision between 0.06 and 0.3
3. no exclusion on kinds of ocular diseases
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

Genders Eligible for Study:	Both
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

Please refer to this study by its ClinicalTrials.gov identifier: NCT00219427

Locations

Japan
Fukuoka Kinen Hospital
Fukuoka, Japan, 814-8525
Osaka City University
Osaka, Japan, 545-8585
Nihon University Surugadai Hospital
Tokyo, Japan, 101-8309
Japan, Fukuoka
Kurume University
Kurume, Fukuoka, Japan, 830-0011
Japan, Hiroshima
Kimura Eye and Medical Hospital
Kure, Hiroshima, Japan, 737-0046
Japan, Miyazaki
Miyata Eye Hospital
Miyakonojo, Miyazaki, Japan, 885-0051

Sponsors and Collaborators

Osaka City University

Nihon University Surugadai Hospital

Kurume University

Miyata Eye Hospital

Fukuoka Kinen Hospital

Kimura Eye and Medical Hospital

Investigators

Study Director:

Kunihiko Shiraki, MD

Dept. of Ophthalmology and Visual Sciences, Osaka City University, Graduate School of Medicine

More Information

No publications provided

Responsible Party:	Osaka City University, Dept of Ophthalmology ( Kunihiko Shiraki, MD )
Study ID Numbers:	OCUM2004681, OCUM2004681
Study First Received:	September 14, 2005
Last Updated:	May 20, 2008
ClinicalTrials.gov Identifier:	NCT00219427 History of Changes
Health Authority:	Japan: Ministry of Health, Labor and Welfare

Keywords provided by Osaka City University:

Low vision

Study placed in the following topic categories:

Signs and Symptoms
Sensation Disorders
Vision Disorders

Eye Diseases
Neurologic Manifestations
Vision, Low

Additional relevant MeSH terms:

Signs and Symptoms
Sensation Disorders
Vision Disorders
Eye Diseases

Nervous System Diseases
Neurologic Manifestations
Vision, Low

ClinicalTrials.gov processed this record on September 01, 2009