Retina Projection System Trials for Low Vision People
- 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
- low vision patients
- vision between 0.06 and 0.3
- light perception
- hand motion
- vision less than 0.06
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Reading speeds with two different vision aids Visits for measuring reading speeds
- Secondary Outcome Measures
Name Time Method
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