VISUAL STANDARDS

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THE ORGANTHE PERSONStructural change, atthe organ levelFunctional change atthe Organ levelSkills, Abilities (ADL)of the individualSocial, EconomicConsequencesEye HealthVisual FunctionsFunctional VisionQuality of LifeRange of Normal Vision(Near-)Normal VisionMild Vision LossModerate Vision LossSevere Vision LossLow VisionProfound Vision LossNear-Blindness(Near-)BlindnessBlindn essVISUALSTANDARDSASPECTS and RANGESof VISION LOSSwith Emphasis on Population Surveys Report prepared for the International Council of Ophthalmology at the 29th International Congress of Ophthalmology Sydney, Australia, April 2002Resolution adopted by the International Council of OphthalmologySydney, Australia, April 20, 2002 (1)WHEREAS lack of clarity about the appropriate use of the term Blindness has led to confusion about itsdefinition and to varying reports about its prevalence and incidence andWHEREAS the mission of ophthalmology and the International Council of Ophthalmology is not limited to theprevention of blindness, but also includes the prevention and remediation of lesser levels of vision loss, whichdo not fit under the term blindness ,THEREFORE, be it resolved that the International Council of Ophthalmology

aimed at estimating the impact on performance, rather than at the differential diagnosis of underlying causes. Appendix 6 explains how this visual field score is used in the Functional Vision Score (FVS) system that is part of the 5th edition (2000) of the AMA Guides to the Evaluation of Permanent Impairment. Section 7 – Visual Acuity Measurement

  Estimating