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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00348621
Other study ID # R01AG015812
Secondary ID R01AG015812
Status Completed
Phase Phase 4
First received July 3, 2006
Last updated October 4, 2017
Start date June 1999
Est. completion date June 2002

Study information

Verified date October 2017
Source Johns Hopkins University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this clinical trial is to determine if interventions within the nursing home to restore vision, or cope with visual loss, in residents with visual impairment result in improvement or less decline in mobility scores, and socialization scores, compared to residents with visual impairment in nursing homes with no such intervention. The investigators hypothesized that nursing home residents with visual loss who receive cataract surgery, or refractive correction, or low vision aids would have have better socialization scores and mobility scores at 6 months and 12 months compared to nursing home residents with visual impairment who are advised to seek services, but have no specific program.


Description:

The goal of this project was to quantify the impact of visual acuity impairment on socialization and physical function of nursing home residents, and to determine the cost effectiveness of a visual impairment intervention program designed to enhance access to eye care services. To accomplish these aims, the investigators enrolled a complete sample of visually impaired persons from 28 nursing homes in the Lower Eastern Shore of Maryland and Delaware. From the same facilities, the investigators also enrolled a random sample of non-visually impaired residents, with sample size equal to the sample of visually impaired. The group of visually impaired residents was randomized (by facility) to an intervention program or "usual care" group. The intervention program facilitated the utilization of eye care services of the three main causes of visual impairment: refractive error, cataract, and low vision associated with age-related eye diseases. All study groups provided data at baseline, six and twelve months from intervention, and data on eye care utilization, hospitalizations, use of psychoactive medications and mortality collected every other month (bi-monthly). Patients had a screening test of visual acuity, using standard letter/symbol charts, and grating charts. The mental status was tested using the MiniMental State Examination. Social function, physical function, and mobility were assessed through questionnaires asked of nursing home staff familiar with the patient, and the questions were modeled on the Minimum Data Set questions or specially designed for nursing home residents.

The investigators compare the mobility scores, and socialization scores, of nursing home residents with visual loss randomized to the intervention homes to the scores of nursing home residents with visual loss randomized to control homes. The investigators use the mobility and socialization scores of those without visual loss at baseline and follow up to compare with the trajectory of decline in those with visual loss.


Recruitment information / eligibility

Status Completed
Enrollment 2544
Est. completion date June 2002
Est. primary completion date December 2001
Accepts healthy volunteers No
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria:

- Nursing homes in Eastern Shore of Maryland,within 1.5 hour drive of Salisbury MD

- Nursing home administrators and resident committees approved the study

- Nursing home residents:

- Age 65 and older

- more than 30 day length of Stay

- Capable of acuity testing

Exclusion Criteria:

- Nursing home residents:

- staff assessment noted imminent death likely (within 3 months)

- resident unable to provide informed consent and guardian not locatable

- resident's only language was not understood by nursing staff

Study Design


Intervention

Procedure:
Visual impairment intervention program
enhanced access to eye care services

Locations

Country Name City State
United States Johns Hopkins University Baltimore Maryland

Sponsors (2)

Lead Sponsor Collaborator
Johns Hopkins University National Institute on Aging (NIA)

Country where clinical trial is conducted

United States, 

References & Publications (4)

Friedman DS, Munoz B, Massof RW, Bandeen-Roche K, West SK. Grating visual acuity using the preferential-looking method in elderly nursing home residents. Invest Ophthalmol Vis Sci. 2002 Aug;43(8):2572-8. — View Citation

Friedman DS, Muñoz B, Roche KB, Massof R, Broman A, West SK. Poor uptake of cataract surgery in nursing home residents: the Salisbury Eye Evaluation in Nursing Home Groups study. Arch Ophthalmol. 2005 Nov;123(11):1581-7. — View Citation

Friedman DS, West SK, Munoz B, Park W, Deremeik J, Massof R, Frick K, Broman A, McGill W, Gilbert D, German P. Racial variations in causes of vision loss in nursing homes: The Salisbury Eye Evaluation in Nursing Home Groups (SEEING) Study. Arch Ophthalmol. 2004 Jul;122(7):1019-24. — View Citation

West SK, Friedman D, Muñoz B, Roche KB, Park W, Deremeik J, Massof R, Frick KD, Broman A, McGill W, Gilbert D, German P. A randomized trial of visual impairment interventions for nursing home residents: study design, baseline characteristics and visual loss. Ophthalmic Epidemiol. 2003 Jul;10(3):193-209. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary mobility score questionnaire to nurses in charge of nursing home patients on specific items on mobility, which were used to create mobility score 1 year
Primary socialization score questionnaire to nurses in charge of nursing home patients on items specific to subject socialization, used to create socialization score 1 year
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