This manual for district and school health personnel contains guidelines to facilitate the planning and implementation of vision screening programs in California public schools so that all students may benefit from optimal use of their sense of sight. The major program objectives, the legal basis, minimum requirements, and authorized personnel are listed. A chart describes equipment needs and arrangement, room requirements, testing procedures, and recording and referral processes for the Snellen Test, the Color Perception Test, and additional procedures. As teacher observation is important in detecting suspected vision problems, signs and symptoms are given. Specific systematic follow-up procedures are suggested. Program implementation checklists for the administrator and the vision screener are included. A section on procedures for screening nonliterate, nonverbal, non-English-speaking, and/or very young children with special needs contains special considerations, suggestions for test administration, and specific aids that may be helpful. A glossary and selected references are included. The appendices contain: Vision Screening Rechecks and Report of Eye Examination forms; addresses for screening aids; sections from the "California Administrative Code, Title 5, Education" on vision screening; and a draft of the proposed addition to the code. (BS)