The Cure of Imperfect Sight by Treatment
Without Glasses - online book

The Original Bates Method, for correcting vision defects

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Image on the Lens Photographed         59
and distinct image from the cornea of fish. This image was sufficiently distinct to be measured, and after many months a satisfactory photograph was obtained. Then the work was resumed on the eyes of human beings. The strong light, combined with the diaphragm and con denser, the use of which was suggested by their use to improve the illumination of a glass slide under the mi croscope, proved to be a decided improvement over the method of Helmholtz, and by means of this technique an image was at last obtained on the front of the lens which was sufficiently clear and distinct to be photo graphed. This was the first time, so far as published records show, that an image of any kind was ever pho tographed from the front of the lens. Professional pho tographers whom I consulted with a view to securing their assistance assured me that the thing could not be done, and declined to attempt it. I was therefore obliged to learn photography, of which I have previously known nothing, myself, and I then found that so far as the image obtained by the method of Helmholtz is concerned the professionals were right.
The experiments were continued until, after almost four years of constant labor, I obtained satisfactory pic tures before and after accommodation and during the production of myopia and hypermetropia, not only of images on any surface at will without reflections from the iris, cornea, the front of the sclera (white of the eye) and the side of the sclera. I also became able to obtain images on any surface at will without reflections from the other parts. Before these results were obtained, how-every, many difficulties had still to be overcome.
Complicating reflections were a perpetual source of trouble. Reflections from surrounding objects were easily