Computer simulation for accessibility analysis of people with visual impairments using a long cane. A national survey of veterans use of low vision devices. The effect of hand position on detection distance for object and surface preview when using the long cane for nonvisual travel. The efficiency of the touch technique for surface and foot-placement preview. Effects of motivation on aerobic exercise in older adults.
Veterans use of low vision devices for reading.
Head extension and age-dependent posturographic instability in normal subjects. A low vision reading comprehension test. Obstacle, surface and foot-placement preview. The development and evaluation of a low vision reading comprehension test. Reliability and validity of the physical exercise profile.