Among results comparing attainment of the conservation concept in blind (N=30), partially sighted (N=50), and sighted (N=40) children (ages 6-15) in Taiwan were that development of partially sighted children was more like the development of sighted than blind children, and that a 1-4 year developmental lag occurred in blind children. (Author/DB)

Describes the three part system of human vision. Explores the anatomical arrangement of the vision system from the eyes to the brain. Traces the path of various visual signals to their interpretations by the brain. Discusses human visual perception and its implications in art and design. (CW)

The bibliography presents 47 references for parents of visually disabled preschoolers and 33 references for professionals. Citations include information on title and author, audience, disability focus (blind, low vision, deaf blind, and multidisabled), and a brief description. (CL)

The article outlines advantages and limitations of five types of access to microcomputer technology for visually impaired students: electronic braille, paper braille, Optacon, synthetic speech, and enlarged print. Additional considerations in access decisions are noted. (CL)

Argues for total eye testing rather than an annual test of distance visual acuity and questions the use of the Snellen test. (TO)

Clarifies the purpose of the "Home Eye Test for Preschoolers" and defends use of the Snellen chart. (TO)

After describing the basic principles of closed-circuit television and its uses in low vision rehabilitation, the author provides a general critique of the system as it is currently being marketed. (Author)

In one of several 2-week workshops, 35 blind and visually handicapped persons increased their braille reading speed from an average of 138 words per minute (wpm) to 710 wpm. (Author)

Discusses research undertaken to determine recommended levels of lighting for effective seeing. Factors considered include age, veiling reflections, brightness differences, glare, and pleasantness. Also points out some common lighting practices that are wasteful and inefficient and suggests alternatives. (DN)

Article makes suggestions for enlightening students in their awareness of the environment. (RK)

Studies demonstrate increasing glucose metabolic rates in human primary (PVC) and association (AVC) visual cortex as complexity of visual scenes increase. AVC increased more rapidly with scene complexity than PVC and increased local metabolic activities above control subject with eyes closed; indicates wide range and metabolic reserve of visual…