VISIBLE Study (Visual Intervention Strategy Incorporating Bifocal & Long-distance Eyewear)
VISIBLE
Randomised Controlled Falls Prevention Trial of Plain Distance Glasses in Elderly Multifocal Wearers.
1 other identifier
interventional
606
1 country
1
Brief Summary
The purpose of this study is to determine whether the provision of supplementary plain distance glasses for outdoor use to older users multifocal glasses will reduce falls rates over a 12 month period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jun 2005
Longer than P75 for not_applicable
1 active site
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
June 1, 2005
CompletedFirst Submitted
Initial submission to the registry
July 6, 2006
CompletedFirst Posted
Study publicly available on registry
July 10, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2008
CompletedJune 3, 2015
June 1, 2015
3.2 years
July 6, 2006
June 1, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Falls rates, Falls diaries
12 months
Secondary Outcomes (3)
Quality of life, SF-36
12 months
Instrumental Activities of Daily Living, Adelaide Activities Profile
12 months
Modified Falls Efficacy Scale
12 months
Study Arms (2)
1
EXPERIMENTALProvision of single lens glasses, glasses aids, counselling, updated multifocal glasses if required
2
NO INTERVENTIONUsual care, updated multifocal glasses if required
Interventions
Provision of single lens glasses, glasses aids, counselling, updated multifocal glasses if required
Eligibility Criteria
You may qualify if:
- outdoor use of multifocal glasses 3 or more times per week
- community-dwelling persons aged 65+ years with a recent fall OR persons aged 80+ years regardless of falls history
- Folstein Mini Mental score of 24+
- adequate visual contrast sensitivity (Melbourne Edge Test score of 16+dB)
You may not qualify if:
- nursing home residents
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Prince of Wales Medical Research Institute
Sydney, New South Wales, 2031, Australia
Related Publications (4)
Lord SR, Dayhew J, Howland A. Multifocal glasses impair edge-contrast sensitivity and depth perception and increase the risk of falls in older people. J Am Geriatr Soc. 2002 Nov;50(11):1760-6. doi: 10.1046/j.1532-5415.2002.50502.x.
PMID: 12410892BACKGROUNDClemson L, Stark S, Pighills AC, Fairhall NJ, Lamb SE, Ali J, Sherrington C. Environmental interventions for preventing falls in older people living in the community. Cochrane Database Syst Rev. 2023 Mar 10;3(3):CD013258. doi: 10.1002/14651858.CD013258.pub2.
PMID: 36893804DERIVEDHaran MJ, Cameron ID, Ivers RQ, Simpson JM, Lee BB, Tanzer M, Porwal M, Kwan MM, Severino C, Lord SR. Effect on falls of providing single lens distance vision glasses to multifocal glasses wearers: VISIBLE randomised controlled trial. BMJ. 2010 May 25;340:c2265. doi: 10.1136/bmj.c2265.
PMID: 20501583DERIVEDHaran MJ, Lord SR, Cameron ID, Ivers RQ, Simpson JM, Lee BB, Porwal M, Kwan MM, Severino C. Preventing falls in older multifocal glasses wearers by providing single-lens distance glasses: the protocol for the VISIBLE randomised controlled trial. BMC Geriatr. 2009 Mar 26;9:10. doi: 10.1186/1471-2318-9-10.
PMID: 19321012DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Stephen R Lord, PhD
University of New South Wales
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Senior Principal Research Fellow
Study Record Dates
First Submitted
July 6, 2006
First Posted
July 10, 2006
Study Start
June 1, 2005
Primary Completion
August 1, 2008
Study Completion
December 1, 2008
Last Updated
June 3, 2015
Record last verified: 2015-06