The assessment of visual acuity in the preverbal child is reviewed. Four techniques are discussed: optodinetic nystagmus, forced choice preferential looking, visually evoked potential, and electroretinography. Development of binocularity and refractive changes are traced. (CL)

The manual was intended to help school personnel (either an educator of the visually handicapped and/or a certified orientation and mobility instructor) evaluate the functional use of residual vision. The manual is organized in three major sections, which cover the following: (1) the general areas addressed in functional vision evaluation (such as…

Discusses steps for Head Start staff and parents to observe child behaviors indicating possible undetected vision problems. Describes activities to test children's visual skills involving fixation, movement of both eyes inward, shift of gaze, and visual tracking of an object. Provides a checklist of unusual vision behaviors and tips for assisting…

Included is information on establishing a system or upgrading existing services, selecting appropriate screening tools, referring persons in need of professional vision care, obtaining appropriate treatment, and providing follow-up services required to ensure that all persons with severe handicaps receive the best possible vision care. (Author/SB)

This article reports on a study of the methods that 21 ophthalmologists used to assess the visual acuity of children with multiple impairments and the difficulties they encountered. Additional means of assessing visual function and alternative means of communicating the results are suggested. (Author/DB)

This fact sheet uses a question-and-answer format to provide basic information about changes in vision for older adults and what kind of services are needed particularly adults with developmental disabilities. Questions address the following topics: the importance of eye exams for adults with developmental disabilities; the need for eye exams even…

Many students have undiagnosed vision problems despite passing school vision screening. Traditional screening may miss problems with close vision, eye-hand coordination, and smooth eye coordination. The article discusses what teachers should look for, how to proceed if there is a problem, and how to create vision-friendly classrooms. A list of…

Strabismus and amblyopia are two common childhood vision conditions requiring early identification and treatment. Screening devices include external examination of the eye, ability to track, a cover test, acuity tests, and stereoscopic tests. Treatment includes patching therapy, use of glasses, orthoptics, CAM vision stimulator, or a combination…

Presents a checklist that was created so that parents, teachers, and others could obtain from vision specialists information necessary to ameliorate learning conditions efficiently. (FL)

A task force of opticians and educators in British Columbia was assembled to determine the knowledge and skills required of dispensing opticians and contact lens specialists. The ideas generated by the task force were analyzed and distilled into the standardized tasks listed in this document, using Krathwohl's taxonomy. The document contains 36…