Article February 3, 1917 Issue

Mrs. M. L. P., aged forty-eight years, first applied to me...

C. Henry Brown, M. D.,

The Keystone Magazine of Optometry

Mrs. M. L. P., aged forty-eight years, first applied to me in March, 1900. I found her wearing + .5 cylinders with the addition of + 1 D for presbyopia. Her acuteness of vision was O. D. 20/40 and O. S. 20/60, which was raised to normal by + .75 cylinders. She was able to read with some effort, but the near point had receded to ten inches. This was restored to the normal distance and reading made comfortable by the addition of + 1.25 spheres.

Something more than two years later, in June, 1902, she returned for a change of glasses. I found that all that was necessary was a slight increase in the cylinders and spheres to afford normal vision and supplement the impaired accommodation. This is nothing more or less than a case of hypermetropic astigmatism complicated with presbyopia, such as we meet with every day. It differs in no respect from similar cases.

When we meet with cases of this kind at this age we feel that such persons will be dependent upon glasses for the rest of their lives. The cylinders are required to be worn constantly for the correction of the astigmatism, which as a rule never grows less, but tends to increase somewhat as the person grows older, while the spheres are necessary for the correction of the presbyopia, and must be made stronger from time to time to keep pace with the failing accommodation, which is a natural accompaniment of age.

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