Vision impairment

Preface -- Summary -- Acknowledgments -- Figures And Tables -- Introduction -- Definition And Measurement Issues -- Definitions And Causes Of Vision Impairment -- Measurement Of Vision Impairment -- Reliability Of Testing -- Justification For Selecting Vision -- Impairment For Health Insurance Study Analyses -- Prevalence Of Vision Impairment -- Morbidity And Mortality -- Effects Of Medical Care -- Health Insurance Study Methods -- Prevalence Of Vision Impairment -- Disease Impact -- Possible Effects Of Generous Health Insurance -- Health Insurance Study Enrollment Results -- Introduction -- Prevalence Of Vision Impairment According To The Medical History Questionnaire -- Prevalence Of Vision Impairment According To Screening Examination Findings -- Use Of Medical Care And Corrective Lenses For Impaired Vision -- Disease Impact -- Reliability Of Acuity Measurements -- Validity Of Medical History Questionnaire -- Potential Effects Of Health Insurance On Functional Vision Impairment -- Prevalence Of Impaired Vision According To The His Insurance Plans -- Quality-Of-Care Criteria For Vision Impairment -- Appendix -- A. Glaucoma -- B. Eyesight And Glaucoma Batteries From The Medical History Questionnaire -- C. Distribution Of Responses To Disease Impact Questions -- D. Quality-Of-Care Criteria For Vision Problems -- References.