Sufficient vision or other powers of observation, with or without reasonable accommodation, which permits the employee to review publications and audio- visual materials, monitor and observe staff, child and family situations, review reports, grant applications and other program materials; monitor program operations and evaluate staff performance; comprehend and review written work instructions, prepare and review documents and process them in a prescribed order, and organize documents and materials; and to perform the essential functions of the position. Sufficient personal mobility, flexibility, and balance, with or without reasonable accommodation, which permits the employee to effectively interact with young children and families to perform the essential functions of the position, and to work in a classroom and office environment, occasionally lifting or moving objects that may weigh up to 45 pounds.