Binoculars: A Long-Ignored Aid for the Partially Sighted.
Genesky, S. M.

Defined in the booklet is the visually handicapped population that could benefit from use of binoculars, and described with photographs are uses of binoculars and additional equipment. Categories of the visually handicapped and concomitant population sizes are examined to stress the point that approximately 1.64 million Americans are partially sighted, and that this population has been neglected or misguided by public and private institutions as well as poorly educated for functional living. Discussed are reasons for binocular use such as the capacity of the binoculars to gather and focus light, lack of clinicians' knowledge about binoculars that inhibits greater use, and beneficial uses such as reading street signs and watching television. Supplementary Alternative equipment are described to be lenses and lens mounts, zooming binoculars, a controllable internal iris, and telescopic spectacles. Offered are suggestions for maintaining stability; observations on size, weight, and conspicuousness; findings on magnification, image size, and light gathering; and experiences regarding different kinds of prisms and lenses for the myopic eye. Individuals who serve the partially sighted are advised to acquire a thorough knowledge of binoculars and visual aids such as telescopic spectacles and to ascertain perceived as well as actual visual needs of partially sighted persons. (MC)
Descriptors: Exceptional Child Services, Partial Vision, Sensory Aids, Vision, Visual Aids, Visual Impairments
Rand Corporation, 1700 Main Street, Santa Monica, California 90406 ($3.00)

Publication Type: Reports - Research
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: Social and Rehabilitation Service (DHEW), Washington, DC.
Authoring Institution: Rand Corp., Santa Monica, CA.

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