The need for a complete ocular examination for all school children by a qualified ophthalmologist is recognized. Until such a time as practicable means can be found for this to be realized, it is necessary to rely on some procedure in the school which will screen out those who need particular attention. It is of utmost importance that the ophthalmologist should take the initiative in the designing of screening device procedures and should not allow this responsibility to fall outside the medical profession. The scope of such work is so broad and involves so many issues other than construction of a kit and designing criteria that the closest cooperation with the educators and psychologists is necessary for the most effective results. In Massachusetts the staff of the Research Learning Project had an unusually favorable contact with a number of rural and urban districts in which an extensive investigation into certain