Debra Sokol-McKay1, Kathleen Buskirk2, Pamela Whittaker3. 1. The Association for the Blind and Visually Impaired, Rehabilitation Services, Allentown, Pennsylvania (Ms Sokol-McKay) 2. Keystone Blind Association, Sharon, Pennsylvania (Ms Buskirk) 3. Ms Whittaker is in private practice in Hollidaysburg, Pennsylvania.