NCT00219427

Brief Summary

  • Retina Projection System
  • Face-mounted video display as control
  • Comparison of Reading Speeds with both vision aids

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
58

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2005

Shorter than P25 for all trials

Geographic Reach
1 country

6 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2005

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

September 14, 2005

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 22, 2005

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2005

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2005

Completed
Last Updated

May 22, 2008

Status Verified

May 1, 2008

Enrollment Period

10 months

First QC Date

September 14, 2005

Last Update Submit

May 20, 2008

Conditions

Vision, Low

Keywords

Low vision

Outcome Measures

Primary Outcomes (1)

  • Reading speeds with two different vision aids

    Visits for measuring reading speeds

Study Arms (1)

1

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

primary care clinic

You may qualify if:

  • low vision patients
  • vision between 0.06 and 0.3

You may not qualify if:

  • light perception
  • hand motion
  • vision less than 0.06

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (6)

Fukuoka Kinen Hospital

Fukuoka, Fukuoka, 814-8525, Japan

Location

Kurume University

Kurume, Fukuoka, 830-0011, Japan

Location

Kimura Eye and Medical Hospital

Kure, Hiroshima, 737-0046, Japan

Location

Miyata Eye Hospital

Miyakonojō, Miyazaki, 885-0051, Japan

Location

Osaka City University

Osaka, Osaka, 545-8585, Japan

Location

Nihon University Surugadai Hospital

Tokyo, Tokyo, 101-8309, Japan

Location

MeSH Terms

Conditions

Vision, Low

Condition Hierarchy (Ancestors)

Vision DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesEye DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Kunihiko Shiraki, MD

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

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 14, 2005

First Posted

September 22, 2005

Study Start

January 1, 2005

Primary Completion

November 1, 2005

Study Completion

December 1, 2005

Last Updated

May 22, 2008

Record last verified: 2008-05

Locations

JP(6)