. The hygiene of the schoolroom. .9 New York City 1906 79,065 24,534 Pawtucket, R. 1 1901 4,663 517 11. i Utica, N. Y 1897 6,113 667 Worcester, Mass ii>953 2,281 The Hygiene of the Eye. 69 It is little less than criminal that conditions are allowedto exist resulting in such wholesale havoc with the chil-drens eyes. Our first great duty is a realization of thesituation, a survey of the probable offending causes, andan earnest attempt at their betterment. If we could understand the beautiful and delicatemechanism of the human eye, we might take greater painsto preserve its usef
. The hygiene of the schoolroom. .9 New York City 1906 79,065 24,534 Pawtucket, R. 1 1901 4,663 517 11. i Utica, N. Y 1897 6,113 667 Worcester, Mass ii>953 2,281 The Hygiene of the Eye. 69 It is little less than criminal that conditions are allowedto exist resulting in such wholesale havoc with the chil-drens eyes. Our first great duty is a realization of thesituation, a survey of the probable offending causes, andan earnest attempt at their betterment. If we could understand the beautiful and delicatemechanism of the human eye, we might take greater painsto preserve its usefulness. Nature has wisely foreseenthe delicacy of the eye, the great care required for itswell-being, and the necessity of guarding it better thanthe organ of any of the other special senses. It is set intoand protected by the bony orbital cavity. In front it isprotected by two curtains, the eyelids. The eyeball, on account of its almost incompressiblenature, cannot be drawn into the socket, but simply ,6cleroflc Choroid Jiefina. FIG. 12. 70 The Hygiene of the Schoolroom. rotates there, being drawn to either side, up-wards or downwards, by small muscles attached to thecontiguous bony structures. When the adjustment ofthe muscles is perfect, a person is able to draw the eyeto one side, but the corresponding muscle having an equalpower, the equilibrium of the eyeball is maintained. Inconsequence of childrens diseases, sometimes one ofthe small muscles becomes paralyzed. This muscle is nolonger able to do its allotted work of helping to hold theeye in position, and the eyeball is pulled to the oppositeside by the unaffected muscle. This condition is knownas strabismus, or squint, and often follows early cases oflong- or short-sightedness. These cases, as soon as noticed by the teacher, shouldbe brought to the parents attention, with a request thatan attempt be made to remedy the defect. Very goodresults are often secured by the wearing of carefully se-lected glasses upon an oculis
Size: 1831px × 1365px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkbostonetcsi
