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October 1931


Author Affiliations

From the Research Department of Letchworth Village (New York State School for Feebleminded).

Am J Dis Child. 1931;42(4_PART_I):837-857. doi:10.1001/archpedi.1931.01940160105009

Oxycephaly is described in the majority of textbooks as a deformity of the skull with certain morphologic characteristics. An unusually high head and steeply rising forehead constitute the outstanding features of an oxycephalic head. In such a domelike head a relative widening of transverse, and shortening of anteroposterior, dimensions are frequent characteristics. Therefore, the cephalic index of an oxycephalic head ranges usually near 80; in other words, oxycephalic heads tend to fall into the brachycephalic group. The supra-orbital ridges, glabella, frontal eminences and entire relief of the forehead are smoothed out. A shallow furrow running across the forehead may be present which emphasizes still more the domelike mound of the head. The eyes are more or less protruded. Strabismus (divergent) and nystagmus complete the typical appearance of oxycephaly.

Most of the reports on oxycephaly were made by ophthalmologists, on patients who sought relief from visual impairment. Naturally, atrophic changes of