The work of the staff of the Speech Reading Unit includes the assisting of children with defective hearing who, because of a handicap greater than their deafness, attend Occupational Centres. In the course of this work it was brought to our attention by the O.G. staffs that certain children who had been thought to be unresponsive wholly on account of backwardness, might indeed be also suffering from a degree of deafness. In one such case a child was found to be markedly deaf although she had previously been classified by an otologist as having normal hearing. The follow-up of this case showed that the child indeed had a high degree of deafness.