1. Kyphosis dorsalis juvenilis (Scheuermann's kyphosis) may be seen between the ages of fifteen and twenty-two years, but it may begin as early as eight or ten.
2. Proof of vitamin-A deficiency is an important supplementary aid in the early diagnosis of the disease.
3. Vitamin-A deficiency in older patients is a probable sign that the disease is still active.
4. Children in the early stage of the disease should be excluded from physical exercises, should be given vitamin A, and should wear plaster-of-Paris corsets.