Retina Projection System Trials for Low Vision People

NCT ID: NCT00219427

Last Updated: 2008-05-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

58 participants

Study Classification

OBSERVATIONAL

Study Start Date

2005-01-31

Study Completion Date

2005-12-31

Brief Summary

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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

Detailed Description

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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

Conditions

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Vision, Low

Keywords

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Low vision

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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1

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* low vision patients
* vision between 0.06 and 0.3

Exclusion Criteria

* light perception
* hand motion
* vision less than 0.06
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Nihon University

OTHER

Sponsor Role collaborator

Kurume University

OTHER

Sponsor Role collaborator

Miyata Eye Hospital

UNKNOWN

Sponsor Role collaborator

Fukuoka Kinen Hospital

UNKNOWN

Sponsor Role collaborator

Kimura Eye and Internal Medicine Hospital

OTHER

Sponsor Role collaborator

Osaka City University

OTHER

Sponsor Role lead

Responsible Party

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Osaka City University, Dept of Ophthalmology

Principal Investigators

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Kunihiko Shiraki, MD

Role: STUDY_DIRECTOR

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

Locations

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Fukuoka Kinen Hospital

Fukuoka, Fukuoka, Japan

Site Status

Kurume University

Kurume, Fukuoka, Japan

Site Status

Kimura Eye and Medical Hospital

Kure, Hiroshima, Japan

Site Status

Miyata Eye Hospital

MiyakonojĊ, Miyazaki, Japan

Site Status

Osaka City University

Osaka, Osaka, Japan

Site Status

Nihon University Surugadai Hospital

Tokyo, Tokyo, Japan

Site Status

Countries

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Japan

Other Identifiers

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OCUM2004681

Identifier Type: -

Identifier Source: secondary_id

OCUM2004681

Identifier Type: -

Identifier Source: org_study_id