For Public & Private SPED Units & Centers: Two-Day Theraphy Orientation Seminar on Parents & Teachers Education on Re/Habilitation of Children with Multiple Disabilities & Visual Impairment (MDVI) Posted on September 25, 2014 by MSM13 Leave a comment 1036. Two-Day Theraphy Orientation Seminar on Parents & Teachers Education on Re_Habilitation of Children with Multiple Disabilities & Visual Impairment (MDVI) Memorandum