"Deafness complications." . . "Education, Special." . . "Education, Special" . "Gezichtsstoornissen." . . "Auditief gehandicapten." . . "Vision Disorders diagnosis." . . . . . . . . . . . . "Deafness and vision disorders : anatomy and physiology, assessment procedures, ocular anomalies, and educational implications" . . . . . . . . . . . "Vision Disorders complications." . . . . "Doofblindheid." . .