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The Influence of Vision on Balance, Gait and Falls

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ClinicalTrials.gov Identifier: NCT00218894
Recruitment Status : Completed
First Posted : September 22, 2005
Last Update Posted : January 18, 2017
Information provided by (Responsible Party):

Study Description
Brief Summary:
Falls are the most serious and frequent home accident amongst elderly. Most falls occur during walking. Vision is reduced with ageing and visual impairments affect balance. Uncorrected visual deficits and balance problems are reported to be risk factors for falls and fall related fractures. The present project uses a longitudinal design and aims at assessing the impact of cataract surgery on balance and gait as risk factors for falls.

Condition or disease Intervention/treatment
Cataract Procedure: Cataract surgery

Detailed Description:
A longitudinal design is used, where subjects referred to the Cataract Unit are tested 1-3 weeks in advance of the surgery, and 4-6 weeks and 12 months after the surgery. Outcome measures are visual function, falls, balance and gait. Secondary outcome is quality of life, fear of falling and daily life functioning

Study Design

Study Type : Observational
Actual Enrollment : 148 participants
Observational Model: Case-Only
Time Perspective: Prospective
Official Title: The Effect of Cataract Surgery on Gait, Balance and Falls in Older Persons
Study Start Date : January 2004
Primary Completion Date : March 2008
Study Completion Date : December 2009

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Cataract Falls
U.S. FDA Resources

Groups and Cohorts

Group/Cohort Intervention/treatment
post cataract surgery Procedure: Cataract surgery
surgery one one or two eyes by use of two different types of lenses and correcting for refraction

Outcome Measures

Primary Outcome Measures :
  1. Falls [ Time Frame: over one year ]
  2. Visual function [ Time Frame: pre surgery, 6-9 weeks and 1 year post surgery ]

Secondary Outcome Measures :
  1. Health related Quality of Life [ Time Frame: pre surgery, 6-9 weeks and one year after surgery ]
  2. Gait [ Time Frame: pre surgery, 6-9 weeks and one year after surgery ]
  3. Fear of falling [ Time Frame: pre surgery, 6-9 weeks and one year after surgery ]

Eligibility Criteria

Information from the National Library of Medicine

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Ages Eligible for Study:   70 Years and older   (Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Elderly patients (70 years and older) referred to cataract surgery in StOlavs Hospital, Trondheim Norway.

Inclusion Criteria:

  • >70 years of age
  • referred to cataract surgery on one or both eyes
  • able to walk unassisted at least 10 m

Exclusion Criteria:

  • terminal illness
  • have undergone orthopedic surgery in the lower limbs the last 12 months
  • Have had a stroke last 12 months
  • dementia (measured by MMSE <20
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00218894

Section of Geriatric Medicine, St. Olavs University Hospital
Trondheim, Norway, N-7016
Sponsors and Collaborators
Norwegian University of Science and Technology
Helse Midt-Norge
Principal Investigator: Olav Sletvold, Professor Norwegian University of Science and Technology
More Information

Responsible Party: Norwegian University of Science and Technology
ClinicalTrials.gov Identifier: NCT00218894     History of Changes
Other Study ID Numbers: 196-03
Helse Midt-Norge
First Posted: September 22, 2005    Key Record Dates
Last Update Posted: January 18, 2017
Last Verified: January 2017

Keywords provided by Norwegian University of Science and Technology:

Additional relevant MeSH terms:
Lens Diseases
Eye Diseases