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Morris, June E.; And Others – 1980
The final report describes a project to facilitate the efficiency with which legally blind persons use their remaining vision. The project developed a diagnostic assessment procedure, a design for instruction which includes 150 sequenced lessons, and a sourcebook on low vision. The reliability and validity of the diagnostic assessment procedure…
Descriptors: Field Tests, Instructional Materials, Low Vision Aids, Partial Vision
Peer reviewed Peer reviewed
Cress, Pamela J.; And Others – Journal of Special Education Technology, 1982
The Parsons Visual Acuity Test (PVAT) described in the article has been developed for use with difficult-to-test individuals previously labeled untestable. The studies reported support use of the PVAT as an alternative screening procedure for identifying difficult-to-test persons who are in need of a professional eye examination. (Author/CL)
Descriptors: Elementary Secondary Education, Screening Tests, Severe Disabilities, Test Validity