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Retina Projection System Trials for Low Vision People

Completed
Conditions
Vision, Low
Registration Number
NCT00219427
Lead Sponsor
Osaka City University
Brief Summary

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

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

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
58
Inclusion Criteria
  • low vision patients
  • vision between 0.06 and 0.3
Exclusion Criteria
  • light perception
  • hand motion
  • vision less than 0.06

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Reading speeds with two different vision aidsVisits for measuring reading speeds
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (6)

Kurume University

🇯🇵

Kurume, Fukuoka, Japan

Kimura Eye and Medical Hospital

🇯🇵

Kure, Hiroshima, Japan

Miyata Eye Hospital

🇯🇵

Miyakonojo, Miyazaki, Japan

Fukuoka Kinen Hospital

🇯🇵

Fukuoka, Japan

Osaka City University

🇯🇵

Osaka, Japan

Nihon University Surugadai Hospital

🇯🇵

Tokyo, Japan

Kurume University
🇯🇵Kurume, Fukuoka, Japan

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