EDUCATIONAL SERVICES, NAMELY PROVIDING COURSES OF INSTRUCTION AT THE PRESCHOOL, PRIMARY AND SECONDARY LEVELS FOR THE VISUALLY IMPAIRED, THE BLIND, AND THE BLIND WITH MULTIPLE DISABILITIES; EDUCATIONAL SERVICES PROVIDED DOMESTICALLY AND INTERNATIONALLY, NAMELY PROVIDING CLASSES, WORKSHOPS AND SEMINARS FOR VISUALLY IMPAIRED, BLIND AND BLIND WITH MULTIPLE DISABILITIES ADULTS AND CHILDREN IN LIFE-SKILLS, INDEPENDENCE SKILLS, SENSORY, LANGUAGE, PLAY AND MOVEMENT, AND CLASSES AND WORKSHOPS AND SEMINARS FOR VISION AND EARLY INTERVENTION PROFESSIONALS, SCHOOL TEACHERS, ELDER-CARE PROVIDERS, MEDICAL PROFESSIONALS, COMMUNITY RESOURCES, PARENTS AND FAMILY MEMBERS IN THE FIELD OF WORKING WITH ASSISTING AND TEACHING THE VISUALLY IMPAIRED, THE BLIND AND THE BLIND WITH MULTIPLE DISABILITIES