Measures of visual function and percentage of preferred walking speed in older adults : The salisbury eye evaluation project
The purpose of this study was to determine the association of static (visual acuity, visual fields, and contrast sensitivity) and dynamic (dynamic visual acuity and motion threshold) measures of vision with mobility performance on a mobility course with obstacles. A cross-sectional population-based...
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| Veröffentlicht in: | Investigative ophthalmology & visual science 2006, Vol.47 (1), p.65-71 |
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| creator | PATEL, Ilesh TURANO, Kathleen A BROMAN, Aimee T BANDEEN-ROCHE, Karen MUNOZ, Beatriz WEST, Sheila K |
| description | The purpose of this study was to determine the association of static (visual acuity, visual fields, and contrast sensitivity) and dynamic (dynamic visual acuity and motion threshold) measures of vision with mobility performance on a mobility course with obstacles.
A cross-sectional population-based study of 1504 persons aged 72 to 92 years enrolled in the third round of the Salisbury Eye Evaluation Project. Standardized examinations were used to test binocular visual acuity, better eye-contrast sensitivity, visual fields, dynamic visual acuity, and motion threshold. Cognitive status was assessed by using the standardized Mini-Mental State Examination. Participants were timed when walking a straight 4-m distance and when walking through a mobility course seeded with obstacles. The percentage of preferred walking speed (PPWS) for each subject was calculated as the ratio of mobility course speed to a 4-m walking speed expressed as a percentage.
The mean age of the participants was 78.2 years. The mean 4-m walking speed was 0.82 m/s, whereas the mean mobility course speed was 0.47 m/s. The mean PPWS was 57.1%. All vision variables except visual acuity were associated with PPWS in univariate analyses. Multivariate models found visual fields and the cognitive state to be associated with PPWS. There was no association with dynamic measures of vision.
The mobility performance, as measured by PPWS, was associated with visual fields but not with visual acuity, contrast sensitivity, or dynamic vision measures. Deficits in cognition also play an important role in predicting mobility performance. |
| doi_str_mv | 10.1167/iovs.05-0582 |
| format | Article |
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A cross-sectional population-based study of 1504 persons aged 72 to 92 years enrolled in the third round of the Salisbury Eye Evaluation Project. Standardized examinations were used to test binocular visual acuity, better eye-contrast sensitivity, visual fields, dynamic visual acuity, and motion threshold. Cognitive status was assessed by using the standardized Mini-Mental State Examination. Participants were timed when walking a straight 4-m distance and when walking through a mobility course seeded with obstacles. The percentage of preferred walking speed (PPWS) for each subject was calculated as the ratio of mobility course speed to a 4-m walking speed expressed as a percentage.
The mean age of the participants was 78.2 years. The mean 4-m walking speed was 0.82 m/s, whereas the mean mobility course speed was 0.47 m/s. The mean PPWS was 57.1%. All vision variables except visual acuity were associated with PPWS in univariate analyses. Multivariate models found visual fields and the cognitive state to be associated with PPWS. There was no association with dynamic measures of vision.
The mobility performance, as measured by PPWS, was associated with visual fields but not with visual acuity, contrast sensitivity, or dynamic vision measures. Deficits in cognition also play an important role in predicting mobility performance.</description><identifier>ISSN: 0146-0404</identifier><identifier>EISSN: 1552-5783</identifier><identifier>DOI: 10.1167/iovs.05-0582</identifier><identifier>PMID: 16384945</identifier><identifier>CODEN: IOVSDA</identifier><language>eng</language><publisher>Rockville, MD: Association for Research in Vision and Ophtalmology</publisher><subject>Aged ; Aged, 80 and over ; Biological and medical sciences ; Cognition - physiology ; Contrast Sensitivity - physiology ; Cross-Sectional Studies ; Eye and associated structures. Visual pathways and centers. Vision ; Female ; Fundamental and applied biological sciences. Psychology ; Gait - physiology ; Humans ; Male ; Maryland ; Motor Activity - physiology ; Vertebrates: nervous system and sense organs ; Vision, Binocular - physiology ; Visual Acuity - physiology ; Visual Fields - physiology ; Walking - physiology</subject><ispartof>Investigative ophthalmology & visual science, 2006, Vol.47 (1), p.65-71</ispartof><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-181fc4451839b37539455a6b4708e2df3acf39c83efd03a7cedc235700fbc8ca3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,4011,27905,27906,27907</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17391580$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16384945$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>PATEL, Ilesh</creatorcontrib><creatorcontrib>TURANO, Kathleen A</creatorcontrib><creatorcontrib>BROMAN, Aimee T</creatorcontrib><creatorcontrib>BANDEEN-ROCHE, Karen</creatorcontrib><creatorcontrib>MUNOZ, Beatriz</creatorcontrib><creatorcontrib>WEST, Sheila K</creatorcontrib><title>Measures of visual function and percentage of preferred walking speed in older adults : The salisbury eye evaluation project</title><title>Investigative ophthalmology & visual science</title><addtitle>Invest Ophthalmol Vis Sci</addtitle><description>The purpose of this study was to determine the association of static (visual acuity, visual fields, and contrast sensitivity) and dynamic (dynamic visual acuity and motion threshold) measures of vision with mobility performance on a mobility course with obstacles.
A cross-sectional population-based study of 1504 persons aged 72 to 92 years enrolled in the third round of the Salisbury Eye Evaluation Project. Standardized examinations were used to test binocular visual acuity, better eye-contrast sensitivity, visual fields, dynamic visual acuity, and motion threshold. Cognitive status was assessed by using the standardized Mini-Mental State Examination. Participants were timed when walking a straight 4-m distance and when walking through a mobility course seeded with obstacles. The percentage of preferred walking speed (PPWS) for each subject was calculated as the ratio of mobility course speed to a 4-m walking speed expressed as a percentage.
The mean age of the participants was 78.2 years. The mean 4-m walking speed was 0.82 m/s, whereas the mean mobility course speed was 0.47 m/s. The mean PPWS was 57.1%. All vision variables except visual acuity were associated with PPWS in univariate analyses. Multivariate models found visual fields and the cognitive state to be associated with PPWS. There was no association with dynamic measures of vision.
The mobility performance, as measured by PPWS, was associated with visual fields but not with visual acuity, contrast sensitivity, or dynamic vision measures. Deficits in cognition also play an important role in predicting mobility performance.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Biological and medical sciences</subject><subject>Cognition - physiology</subject><subject>Contrast Sensitivity - physiology</subject><subject>Cross-Sectional Studies</subject><subject>Eye and associated structures. Visual pathways and centers. Vision</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gait - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Maryland</subject><subject>Motor Activity - physiology</subject><subject>Vertebrates: nervous system and sense organs</subject><subject>Vision, Binocular - physiology</subject><subject>Visual Acuity - physiology</subject><subject>Visual Fields - physiology</subject><subject>Walking - physiology</subject><issn>0146-0404</issn><issn>1552-5783</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0E1v1DAQBmALFdFt4cYZ-VJOTbFjO_ZyQxX9kIq4lHM0ccatizcJnnjRSvx4su1KPVkjPXpn_DL2UYoLKRv7JY5buhCmEsbVb9hKGlNXxjp1xFZC6qYSWuhjdkL0JEQtZS3esWPZKKfX2qzYvx8IVDISHwPfRiqQeCiDn-M4cBh6PmH2OMzwgHsxZQyYM_b8L6TfcXjgNOEyxYGPqcfMoS9pJv6V3z8iJ0iRupJ3HHfIcQupwHPwlMcn9PN79jZAIvxweE_Zr6vv95c31d3P69vLb3eVV87MlXQyeK2NdGrdKWvUcrmBptNWOKz7oMAHtfZOYeiFAuux97UyVojQeedBnbLPL7nL3j8FaW43kTymBAOOhdrGNqJWVi_w_AX6PBItf22nHDeQd60U7b7tdt92K0y7b3vhnw65pdtg_4oP9S7g7ACAPKSQYfCRXp1Va2mcUP8BFH6Kfw</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>PATEL, Ilesh</creator><creator>TURANO, Kathleen A</creator><creator>BROMAN, Aimee T</creator><creator>BANDEEN-ROCHE, Karen</creator><creator>MUNOZ, Beatriz</creator><creator>WEST, Sheila K</creator><general>Association for Research in Vision and Ophtalmology</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>2006</creationdate><title>Measures of visual function and percentage of preferred walking speed in older adults : The salisbury eye evaluation project</title><author>PATEL, Ilesh ; TURANO, Kathleen A ; BROMAN, Aimee T ; BANDEEN-ROCHE, Karen ; MUNOZ, Beatriz ; WEST, Sheila K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-181fc4451839b37539455a6b4708e2df3acf39c83efd03a7cedc235700fbc8ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Biological and medical sciences</topic><topic>Cognition - physiology</topic><topic>Contrast Sensitivity - physiology</topic><topic>Cross-Sectional Studies</topic><topic>Eye and associated structures. Visual pathways and centers. Vision</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gait - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Maryland</topic><topic>Motor Activity - physiology</topic><topic>Vertebrates: nervous system and sense organs</topic><topic>Vision, Binocular - physiology</topic><topic>Visual Acuity - physiology</topic><topic>Visual Fields - physiology</topic><topic>Walking - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PATEL, Ilesh</creatorcontrib><creatorcontrib>TURANO, Kathleen A</creatorcontrib><creatorcontrib>BROMAN, Aimee T</creatorcontrib><creatorcontrib>BANDEEN-ROCHE, Karen</creatorcontrib><creatorcontrib>MUNOZ, Beatriz</creatorcontrib><creatorcontrib>WEST, Sheila K</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Investigative ophthalmology & visual science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>PATEL, Ilesh</au><au>TURANO, Kathleen A</au><au>BROMAN, Aimee T</au><au>BANDEEN-ROCHE, Karen</au><au>MUNOZ, Beatriz</au><au>WEST, Sheila K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measures of visual function and percentage of preferred walking speed in older adults : The salisbury eye evaluation project</atitle><jtitle>Investigative ophthalmology & visual science</jtitle><addtitle>Invest Ophthalmol Vis Sci</addtitle><date>2006</date><risdate>2006</risdate><volume>47</volume><issue>1</issue><spage>65</spage><epage>71</epage><pages>65-71</pages><issn>0146-0404</issn><eissn>1552-5783</eissn><coden>IOVSDA</coden><abstract>The purpose of this study was to determine the association of static (visual acuity, visual fields, and contrast sensitivity) and dynamic (dynamic visual acuity and motion threshold) measures of vision with mobility performance on a mobility course with obstacles.
A cross-sectional population-based study of 1504 persons aged 72 to 92 years enrolled in the third round of the Salisbury Eye Evaluation Project. Standardized examinations were used to test binocular visual acuity, better eye-contrast sensitivity, visual fields, dynamic visual acuity, and motion threshold. Cognitive status was assessed by using the standardized Mini-Mental State Examination. Participants were timed when walking a straight 4-m distance and when walking through a mobility course seeded with obstacles. The percentage of preferred walking speed (PPWS) for each subject was calculated as the ratio of mobility course speed to a 4-m walking speed expressed as a percentage.
The mean age of the participants was 78.2 years. The mean 4-m walking speed was 0.82 m/s, whereas the mean mobility course speed was 0.47 m/s. The mean PPWS was 57.1%. All vision variables except visual acuity were associated with PPWS in univariate analyses. Multivariate models found visual fields and the cognitive state to be associated with PPWS. There was no association with dynamic measures of vision.
The mobility performance, as measured by PPWS, was associated with visual fields but not with visual acuity, contrast sensitivity, or dynamic vision measures. Deficits in cognition also play an important role in predicting mobility performance.</abstract><cop>Rockville, MD</cop><pub>Association for Research in Vision and Ophtalmology</pub><pmid>16384945</pmid><doi>10.1167/iovs.05-0582</doi><tpages>7</tpages></addata></record> |
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| subjects | Aged Aged, 80 and over Biological and medical sciences Cognition - physiology Contrast Sensitivity - physiology Cross-Sectional Studies Eye and associated structures. Visual pathways and centers. Vision Female Fundamental and applied biological sciences. Psychology Gait - physiology Humans Male Maryland Motor Activity - physiology Vertebrates: nervous system and sense organs Vision, Binocular - physiology Visual Acuity - physiology Visual Fields - physiology Walking - physiology |
| title | Measures of visual function and percentage of preferred walking speed in older adults : The salisbury eye evaluation project |
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