Mobility testing and its Repeatability in RP Patients with profound visual impairment: Learning effects, coping strategies and other influencing factors

Michaela Velikay-Parel, D. Ivastinovic, Th. Georgi, R. Hornig & A. Langmann
Purpose: We created a visual function test, the Graz mobility test (GMT) to document visual progress in artificial vision. In previous studies our visual function test adequately graded the low vision of patients with retinitis pigmentosa (RP). However in repeated testing the learning effect could contaminate[for full text, please go to the a.m. URL]