Low Contrast Acuity Measurement: Does it add value in the visual assessment of Down syndrome and Cerebral palsy populations?

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Abstract

Purpose: Children with Down syndrome (DS) and cerebral palsy (CP) often have reduced visual acuity (VA). This study assessed VA and low contrast acuity (LCA) with Lea symbols in DS and CP populations to explore whether LCA measures provide useful additional information about visual performance. VA and LCA were also measured from a large group of typically developing children. Methods: High contrast VA and LCA performance was measured monocularly using crowded Lea symbols on 45 children with CP (mean age 11.8+/-4years), 44 with DS (mean age 10.5+/-3years) and 211 controls (mean age 11.4+/-3years). Refractive status was confirmed with cycloplegic retinoscopy. Results: DS and CP groups had significantly lower acuities than controls at all contrasts (p
LanguageEnglish
Pages251-257
JournalInvestigative Ophthalmology and Visual Science
Volume54
Issue number1
DOIs
Publication statusPublished - 9 Jan 2013

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Cerebral Palsy
Down Syndrome
Visual Acuity
Population
Retinoscopy
Mydriatics

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title = "Low Contrast Acuity Measurement: Does it add value in the visual assessment of Down syndrome and Cerebral palsy populations?",
abstract = "Purpose: Children with Down syndrome (DS) and cerebral palsy (CP) often have reduced visual acuity (VA). This study assessed VA and low contrast acuity (LCA) with Lea symbols in DS and CP populations to explore whether LCA measures provide useful additional information about visual performance. VA and LCA were also measured from a large group of typically developing children. Methods: High contrast VA and LCA performance was measured monocularly using crowded Lea symbols on 45 children with CP (mean age 11.8+/-4years), 44 with DS (mean age 10.5+/-3years) and 211 controls (mean age 11.4+/-3years). Refractive status was confirmed with cycloplegic retinoscopy. Results: DS and CP groups had significantly lower acuities than controls at all contrasts (p",
author = "Julie-Anne Little and Sara McCullough and McClelland, {Julie F} and Jackson, {A. Jonathan} and Kathryn Saunders",
year = "2013",
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day = "9",
doi = "10.1167/iovs.12-10506",
language = "English",
volume = "54",
pages = "251--257",
journal = "Investigative Ophthalmology and Visual Science",
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number = "1",

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TY - JOUR

T1 - Low Contrast Acuity Measurement: Does it add value in the visual assessment of Down syndrome and Cerebral palsy populations?

AU - Little, Julie-Anne

AU - McCullough, Sara

AU - McClelland, Julie F

AU - Jackson, A. Jonathan

AU - Saunders, Kathryn

PY - 2013/1/9

Y1 - 2013/1/9

N2 - Purpose: Children with Down syndrome (DS) and cerebral palsy (CP) often have reduced visual acuity (VA). This study assessed VA and low contrast acuity (LCA) with Lea symbols in DS and CP populations to explore whether LCA measures provide useful additional information about visual performance. VA and LCA were also measured from a large group of typically developing children. Methods: High contrast VA and LCA performance was measured monocularly using crowded Lea symbols on 45 children with CP (mean age 11.8+/-4years), 44 with DS (mean age 10.5+/-3years) and 211 controls (mean age 11.4+/-3years). Refractive status was confirmed with cycloplegic retinoscopy. Results: DS and CP groups had significantly lower acuities than controls at all contrasts (p

AB - Purpose: Children with Down syndrome (DS) and cerebral palsy (CP) often have reduced visual acuity (VA). This study assessed VA and low contrast acuity (LCA) with Lea symbols in DS and CP populations to explore whether LCA measures provide useful additional information about visual performance. VA and LCA were also measured from a large group of typically developing children. Methods: High contrast VA and LCA performance was measured monocularly using crowded Lea symbols on 45 children with CP (mean age 11.8+/-4years), 44 with DS (mean age 10.5+/-3years) and 211 controls (mean age 11.4+/-3years). Refractive status was confirmed with cycloplegic retinoscopy. Results: DS and CP groups had significantly lower acuities than controls at all contrasts (p

U2 - 10.1167/iovs.12-10506

DO - 10.1167/iovs.12-10506

M3 - Article

VL - 54

SP - 251

EP - 257

JO - Investigative Ophthalmology and Visual Science

T2 - Investigative Ophthalmology and Visual Science

JF - Investigative Ophthalmology and Visual Science

SN - 0146-0404

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