Skip to main content
OpenTrials
Completed

NCT Number: NCT00219427

Retina Projection System Trials for Low Vision People

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

Completed

Looking for future studies?

Notify Me

Key information

Conditions

Vision, Low Eye Diseases Nervous System Diseases Neurologic Manifestations Pathological Conditions, Signs and Symptoms Sensation Disorders Signs and Symptoms Vision Disorders

Sex eligibility

All sexes

Study type

Observational

Primary location

Fukuoka Kinen Hospital, Fukuoka, Japan

Loading trial locations.

About this study

  • Purpose

a. Examination on efficacy of a new vision aid of Retina Projection System

  • Patients
  • Low vision patients
  • Vision between 0.06 and 0.3
  • no exclusion on kinds of ocular diseases
  • Methods
  • Vision aids
  • Retina Projection System
  • Face-mounted video display as control
  • Computer-aided measurement of reading speeds of individual characters
  • Comparison of reading Speeds with the two vision aids

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • low vision patients
  • vision between 0.06 and 0.3

Exclusion criteria

  • light perception
  • hand motion
  • vision less than 0.06

Treatment and study plan

Primary outcomes

  1. Reading speeds with two different vision aids

    Time frame: Visits for measuring reading speeds

Sponsors and collaborators

Lead sponsor

Osaka City University

Other

Collaborators

  • Fukuoka Kinen Hospital
  • Kimura Eye and Internal Medicine Hospital
  • Kurume University
  • Miyata Eye Hospital
  • Nihon University

Registry information

Official study title

Multicenter Clinical Trials of Retina Projection System

Important dates

Study start
2005
Primary completion
2005
Study completion
2005
First posted
Sep 22, 2005
Registry last updated
May 22, 2008

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.