Retina Projection System Trials for Low Vision People

Multicenter Clinical Trials of Retina Projection System

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00219427

Enrollment

Registered

2005-09-22

Start date

2005-01-31

Completion date

2005-12-31

Last updated

2008-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vision, Low

Keywords

Low vision

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

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

* low vision patients * vision between 0.06 and 0.3

Exclusion criteria

* light perception * hand motion * vision less than 0.06

Design outcomes

Primary

Measure	Time frame
Reading speeds with two different vision aids	Visits for measuring reading speeds

Countries

Japan

Outcome results