Nina Tahhan|Eric Papas|Tim Fricke|Kevin D. Frick|Brien A. Holden
Utility and Uncorrected Refractive Error
Brien Holden Vision Institute|UNSW Sydney|Vision Cooperative Research Centre|Brien Holden Vision Institute|Vision Cooperative Research Centre|UNSW Sydney|Brien Holden Vision Institute|Johns Hopkins University|Brien Holden Vision Institute|Vision Cooperative Research Centre|UNSW Sydney
purpose investigate utility preferencebased quality life qol measure associated uncorrected refractive error ure design crosssectional study participants cohort 341 consecutive patients 40 65 years age refractive error ocular disease impairing vision worse 2025 01 logarithm minimum angle resolution logmar units better eye without vision correction 30 vision impairment 65 distance vision impairment dvi 97 near vision impairment nvi 112 moderate amounts distance near vision impairment dnvi 37 severe impairment distance near worse 20200 10 logmar better eye methods participants underwent comprehensive eye examination refraction aided unaided visual acuity va 6 40 cm ocular health assessment utilities elicited number scenarios using standardized facetoface time tradeoff tto interview method main outcome measures main outcome measure tto utility participants uncorrected vision state utilities ranged 0 1 0 death 1 perfect vision scaled account comorbidities 1 perfect health adjusted utility results unaided va 050024 logmar distance dvi group 043017 logmar near nvi group 072036 056029 distance near respectively dnvi group adjusted utilities 3 groups 082016 dvi group 081017 nvi group 068025 dnvi group dvi nvi group utilities adjusted unadjusted differ significantly p 073 p 077 respectively dnvi utility significantly worse dvi nvi groups adjusted unadjusted p001 conclusions ure associated measurable reductions utility therefore qol reductions similar regardless whether near distance vision impaired worse impaired results underscore significance effect ure qol particularly respect uncorrected presbyopia relatively neglected area research policy utility figures study used inputs costeffectiveness studies relating ure assist resource allocation decisions financial disclosures authors proprietary commercial interest materials discussed article investigate utility preferencebased quality life qol measure associated uncorrected refractive error ure crosssectional study cohort 341 consecutive patients 40 65 years age refractive error ocular disease impairing vision worse 2025 01 logarithm minimum angle resolution logmar units better eye without vision correction 30 vision impairment 65 distance vision impairment dvi 97 near vision impairment nvi 112 moderate amounts distance near vision impairment dnvi 37 severe impairment distance near worse 20200 10 logmar better eye participants underwent comprehensive eye examination refraction aided unaided visual acuity va 6 40 cm ocular health assessment utilities elicited number scenarios using standardized facetoface time tradeoff tto interview method main outcome measure tto utility participants uncorrected vision state utilities ranged 0 1 0 death 1 perfect vision scaled account comorbidities 1 perfect health adjusted utility unaided va 050024 logmar distance dvi group 043017 logmar near nvi group 072036 056029 distance near respectively dnvi group adjusted utilities 3 groups 082016 dvi group 081017 nvi group 068025 dnvi group dvi nvi group utilities adjusted unadjusted differ significantly p 073 p 077 respectively dnvi utility significantly worse dvi nvi groups adjusted unadjusted p001 ure associated measurable reductions utility therefore qol reductions similar regardless whether near distance vision impaired worse impaired results underscore significance effect ure qol particularly respect uncorrected presbyopia relatively neglected area research policy utility figures study used inputs costeffectiveness studies relating ure assist resource allocation decisions