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The Rand Corporation has been doing research on closed-circuit television systems to aid the partially sighted since 1966. the current experimental system frAlances the image electronically to provide a magnified image that isIpbrighter and has greater contrast than the. object being.bbserved.The system also incorporates an.easily Movable platform for the material.being observed or read. Test, results inditeithat persons with visual acuity-as low as 20/1300 are able,to to4d printed or handwritten material with the aid of the closed=circuit television system. Systems based on this research are now commercially available and have been pvzchased by schools, librai:ies, rehabilitation agencieS and private,individuals. CAUth:Jr/RHy.', r. NC...
US Transportation Collection2020PDFTech ReportCai, YangCarnegie Mellon University's Traffic21 Instit...
A number of research teams are investigating the partial restoration of sight to blind people from t...
Magnifiers serve to increase the size of retinal imaqes without loss of focus. Unfortunately, the fi...
The technology of magnification has been developed to the level at which. modern optical design coul...
One of a series on the visual inforiation transfer problems of the partially sighted, the report con...
Persons with untreatable visual disorders whose vision cannot be corrected by routine refraction req...
Speaking and writing are two common easiest mediums of communication for human. However, they are no...
International audiencePeople with low vision, especially those with Central Field Loss (CFL), need m...
The input stage of a TV-computer reading system has been built using state-of-the-art integrated cir...
People with low vision, especially those with Central Field Loss (CFL), need magnification to read. ...
Includes bibliographical references (pages 65-68)Educators in Thailand urgently require skilled manp...
There are approximately 2 million people in the United States who cannot function normally in societ...
The exclusion of visually impaired from the information flow presented to us through signs was what ...
For years, research and development resources for the blind have centered on restoring sight. Conven...
An examination of existing mobility aids for the blind reveals that most have a very limited operati...
US Transportation Collection2020PDFTech ReportCai, YangCarnegie Mellon University's Traffic21 Instit...
A number of research teams are investigating the partial restoration of sight to blind people from t...
Magnifiers serve to increase the size of retinal imaqes without loss of focus. Unfortunately, the fi...
The technology of magnification has been developed to the level at which. modern optical design coul...
One of a series on the visual inforiation transfer problems of the partially sighted, the report con...
Persons with untreatable visual disorders whose vision cannot be corrected by routine refraction req...
Speaking and writing are two common easiest mediums of communication for human. However, they are no...
International audiencePeople with low vision, especially those with Central Field Loss (CFL), need m...
The input stage of a TV-computer reading system has been built using state-of-the-art integrated cir...
People with low vision, especially those with Central Field Loss (CFL), need magnification to read. ...
Includes bibliographical references (pages 65-68)Educators in Thailand urgently require skilled manp...
There are approximately 2 million people in the United States who cannot function normally in societ...
The exclusion of visually impaired from the information flow presented to us through signs was what ...
For years, research and development resources for the blind have centered on restoring sight. Conven...
An examination of existing mobility aids for the blind reveals that most have a very limited operati...
US Transportation Collection2020PDFTech ReportCai, YangCarnegie Mellon University's Traffic21 Instit...
A number of research teams are investigating the partial restoration of sight to blind people from t...
Magnifiers serve to increase the size of retinal imaqes without loss of focus. Unfortunately, the fi...
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