Children whose physical handicaps are not readily visible to the observer constitute a special problem in the conservation of child health. Boyd1 refers particularly to children with chronic illnesses rather than to those with surgical disabilities commonly classified under the head of crippling. More attention is paid to the crippled child in the narrow sense of the term than to any others. The child with medical "crippling," such as heart disease, congenital syphilis or diabetes, is seldom included in the classification of crippled children either under such laws as the Social Security Act or in voluntary programs.
Boyd holds that "the outlook for the child with chronic illness is determined not only by the type and amount of medical supervision he receives during and after his episodes of acute illness but also by the adequacy of his environment to meet his needs." The needs of the child include those