NCT00877201

Brief Summary

The purpose of this study is to determine the antioxidant supplementation effect on accommodation among visual display terminal (VDT) users.

Trial Health

80
On Track

Trial Health Score

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

Geographic Reach
1 country

1 active site

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

March 1, 2007

Completed
2.1 years until next milestone

First Submitted

Initial submission to the registry

April 6, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

April 7, 2009

Completed
Last Updated

April 8, 2009

Status Verified

April 1, 2009

First QC Date

April 6, 2009

Last Update Submit

April 7, 2009

Conditions

Ocular Accommodation

Keywords

Accommodationvisual display terminal (VDT)antioxidant

Outcome Measures

Primary Outcomes (1)

  • accommodation changes

Interventions

CDR2DRUG

Eligibility Criteria

Age40 Years - 49 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • best corrected visual acuity is over 20/20

You may not qualify if:

  • receiving any medication or supplement that would alter the accommodation status within a week from the commencement of this study
  • using multifocal spectacles or contact lenses
  • pregnant or lactating mothers
  • subjects with a history of drug allergy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Iidabashi Eye Clinic

Tokyo, 102-0072, Japan

Location

Related Publications (1)

  • Uchino Y, Uchino M, Dogru M, Fukagawa K, Tsubota K. Improvement of accommodation with anti-oxidant supplementation in visual display terminal users. J Nutr Health Aging. 2012 May;16(5):478-81. doi: 10.1007/s12603-012-0059-3.

    PMID: 22555795DERIVED

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

April 6, 2009

First Posted

April 7, 2009

Study Start

March 1, 2007

Last Updated

April 8, 2009

Record last verified: 2009-04

Locations

JP(1)