Summary

William Horatio Bates Better Eyesight Magazine — May 1920

The powerful electric light employed for the latter purpose is evidently more adequate than the candle used by Purkinje for the study of the celebrated images to which his name has been given, and it suffices to compare—with an open mind-two photographs of images upon the lens, obtained with the eye focused, respectively, at the distance and the near-point, to become convinced that accommodation is accomplished by the lengthening of the eyeball—through the unmistakable action of the oblique muscles—and that we have here one of the most beautiful and significant achievements of the century.
Source: Wikisource

William Horatio Bates Better Eyesight Magazine — May 1920

I had her stand six feet from the Snellen card, and she read every letter on it perfectly. Then she stood ten feet away and read it just as well. "Now stand back here," I said, pointing to a line twenty feet from the card. Nothing daunted, and with the triumphant expression still lighting up her face, she walked to the twenty-foot mark and read every letter correctly through the fifteen line and some letters on the ten line. I looked at Sylvia and then at her teacher; "Is this Sylvia?" I asked, thinking I had been teaching the wrong child.
Source: Wikisource

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