Vision Instruction Program Consultation Webinar with Donna McNear by Guam CEDDERS Uncategorized On August 3, Guam CEDDERS facilitated a webinar presented by Donna McNear, Vision Instruction Consultant (shown on screen) for Guam Early Intervention System (GEIS), Guam Department of Education, Division of Special Education Part C. Attending the webinar from left to right, clockwise, were Liz Blas, Joanie Manibusan, Gajee Parsons, Cookie Treltas, and Rosie Tkaczuk.