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June 20, 1936

Modern Ophthalmic Lenses and Optical Glass

JAMA. 1936;106(25):2186. doi:10.1001/jama.1936.02770250070033

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In the preface to this valuable little treatise the author says that "an effort has been made to present the subject matter in as simple and concise a manner as possible." He has succeeded admirably in fulfilling his task. The history and an acquaintance with the story of optical glass and eye glasses should be of interest not only to the ophthalmologist and his helper the optician but indeed to every lay person, for each must be aware of the fact that, around the age of 45 or before, spectacles are a necessity in counteracting the loss of accommodation which nature imposes on all human beings. The enormous amount of effort and expense consumed in bringing the crude sand to form a scientifically perfect lens is stressed by the author, thus giving a real insight into the whys and wherefores of the necessity for exactness and the cost of the

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