Visual Impairments

Visual Impairments PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309083486
Category : Social Science
Languages : en
Pages : 369

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Book Description
When children and adults apply for disability benefits and claim that a visual impairment has limited their ability to function, the U.S. Social Security Administration (SSA) is required to determine their eligibility. To ensure that these determinations are made fairly and consistently, SSA has developed criteria for eligibility and a process for assessing each claimant against the criteria. Visual Impairments: Determining Eligibility for Social Security Benefits examines SSA's methods of determining disability for people with visual impairments, recommends changes that could be made now to improve the process and the outcomes, and identifies research needed to develop improved methods for the future. The report assesses tests of visual function, including visual acuity and visual fields whether visual impairments could be measured directly through visual task performance or other means of assessing disability. These other means include job analysis databases, which include information on the importance of vision to job tasks or skills, and measures of health-related quality of life, which take a person-centered approach to assessing visual function testing of infants and children, which differs in important ways from standard adult tests.

Visual Impairments

Visual Impairments PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309083486
Category : Social Science
Languages : en
Pages : 369

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Book Description
When children and adults apply for disability benefits and claim that a visual impairment has limited their ability to function, the U.S. Social Security Administration (SSA) is required to determine their eligibility. To ensure that these determinations are made fairly and consistently, SSA has developed criteria for eligibility and a process for assessing each claimant against the criteria. Visual Impairments: Determining Eligibility for Social Security Benefits examines SSA's methods of determining disability for people with visual impairments, recommends changes that could be made now to improve the process and the outcomes, and identifies research needed to develop improved methods for the future. The report assesses tests of visual function, including visual acuity and visual fields whether visual impairments could be measured directly through visual task performance or other means of assessing disability. These other means include job analysis databases, which include information on the importance of vision to job tasks or skills, and measures of health-related quality of life, which take a person-centered approach to assessing visual function testing of infants and children, which differs in important ways from standard adult tests.

Procedures for Testing Color Vision

Procedures for Testing Color Vision PDF Author:
Publisher: National Academies Press
ISBN:
Category : Color vision
Languages : en
Pages : 128

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Book Description


Webvision

Webvision PDF Author: Helga Kolb
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description


Ocular and Visual Physiology

Ocular and Visual Physiology PDF Author: Simon E. Skalicky
Publisher: Springer
ISBN: 9812878467
Category : Medical
Languages : en
Pages : 372

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Book Description
This book meets the growing demand among ophthalmologists, optometrists and orthoptists, in training and in practice, as well as visual neuroscientists, to have a clear, succinct and well-written textbook to objectively cover the subject of ocular and visual physiology. Ocular and visual physiology is a core knowledge component for these disciplines, and yet is often difficult to understand. However, this book clearly conveys the simple elegance of the relationship between structure and function that is the hallmark of understanding the physiology of the eye and visual system. Ocular and Visual Physiology – Clinical Application is essential reading for any one hoping to have a clear understanding of the subject. Students will find it a great resource to pass their exams. Each of the chapters has been independently reviewed and edited by an expert in the field with a clinical or visual scientific academic background. The text is based on the latest publications in peer-reviewed journals that are closely referenced within the body of the text.

Visual Acuity Test Types

Visual Acuity Test Types PDF Author:
Publisher:
ISBN: 9780580406447
Category : Vision
Languages : en
Pages : 9

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Book Description
Test charts (ophthalmic), Ophthalmic equipment, Ophthalmic test equipment, Letters (symbols)

Emergent Techniques for Assessment of Visual Performance

Emergent Techniques for Assessment of Visual Performance PDF Author: National Research Council
Publisher: National Academies Press
ISBN:
Category : Medical
Languages : en
Pages : 75

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Book Description
Recent vision research has led to the emergence of new techniques that offer exciting potential for a more complete assessment of vision in clinical, industrial, and military settings. Emergent Techniques for Assessment of Visual Performance examines four areas of vision testing that offer potential for improved assessment of visual capability including: contrast sensitivity function, dark-focus of accommodation, dynamic visual acuity and dynamic depth tracking, and ambient and focal vision. In contrast to studies of accepted practices, this report focuses on emerging techniques that could help determine whether people have the vision necessary to do their jobs. In addition to examining some of these emerging techniques, the report identifies their usefulness in predicting performance on other visual and visual-motor tasks, and makes recommendations for future research. Emergent Techniques for Assessment of Visual Performance provides summary recommendations for research that will have significant value and policy implications for the next 5 to 10 years. The content and conclusions of this report can serve as a useful resource for those responsible for screening industrial and military visual function.

Field Guide to Visual and Ophthalmic Optics

Field Guide to Visual and Ophthalmic Optics PDF Author: Jim Schwiegerling
Publisher: SPIE-International Society for Optical Engineering
ISBN: 9780819456281
Category : Technology & Engineering
Languages : en
Pages : 109

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Book Description
Includes Proceedings Vols. 5631, 5636, 5637, 5642, 5643

Visual Acuity Test Types

Visual Acuity Test Types PDF Author: British Standards Institution
Publisher:
ISBN:
Category :
Languages : en
Pages : 12

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Book Description


Clinical Procedures for Ocular Examination, Third Edition

Clinical Procedures for Ocular Examination, Third Edition PDF Author: Nancy B. Carlson
Publisher: McGraw Hill Professional
ISBN: 9780071370783
Category : Medical
Languages : en
Pages : 508

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Book Description
Clinical Procedures for Ocular Examination, Third Edition, is a must-have resource for students and practitioners involved in eye care. This concise handbook provides detailed, step-by-step procedures for performing each examination technique. Each technique is then described by purpose, indication, equipment, set-up, recording, and examples—all accompanied by updated graphics and photographs. The latest technologies and techniques in the field of vision care are covered in this comprehensive guide. Features of the Third Edition *Step-by-step procedures for each exam procedure *Convenient summaries of practical how’s and why’s, without distracting theory *New procedures include corneal topography, pharmacological pupil testing, photostress test, and more *Expanded tables, such as cranial nerve screening and refraction flow chart *Updated references and norms

Considerations in Contact Lens Use Under Adverse Conditions

Considerations in Contact Lens Use Under Adverse Conditions PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309044383
Category : Medical
Languages : en
Pages : 178

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Book Description
This book summarizes current understanding of the scientific, clinical, and technical issues surrounding the use of contact lenses. It discusses the special occupational conditions experienced by military personnel, particularly in extreme environments, that give rise to the question of whether or not to use contact lenses. Experts in optometry, ophthalmology, visual psychophysics, and engineering describe recent developments in design and use; and representatives of the military services provide examples of actual situations in aerospace settings. Considerations in Contact Lens Use Under Adverse Conditions will be of particular interest to those involved in the design of contact lenses and those responsible for occupational safety and health matters in the private sector.