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JAMA. 1926;87(18):1453-1459. doi:10.1001/jama.1926.02680180025006.
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It is well known to every one interested in the subject that changes occur in the refraction of the eye under a variety of circumstances. It has been some time since this subject was before the section for discussion, first in a paper by W. C. Bane of Denver, in 1889, who touched only on the question of changes in the corneal curvature, i. e., the corneal astigmatism, and again by Zentmayer in 1911, who considered the changes that occur through alterations in any of the refractive media or surfaces of the eye. Some of these changes are well known and readily explained; some are rare and of a nature that is not easily understood and for which an explanation is not so readily found. At any rate it should not be a matter of surprise when we find, on examining eyes at an interval of a year or more,


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