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November 17, 1894

PROGRESSIVE HYPERMETROPIC ASTIGMATISM.Read before the Chicago Ophthalmological and Otological Society, Oct. 16, 1894.

JAMA. 1894;XXIII(20):756-757. doi:10.1001/jama.1894.02421250018001e

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In his classical work upon accommodation and refraction of the eye, Professor Donders says: "Astigmatism is either congenital or acquired. If it be acquired it is to be looked upon clinically as another form of disease," etc. I think this is the opinion that almost universally prevails with oculists up to the present time, so far as hypermétropie astigmatism is concerned. It is a congenital defect and does not progress or change without traumatism, or the presence of some other disease. Until recently I have accepted this idea without question. It had been my custom in prescribing glasses for the correction of hypermetropie astigmatism, either simple or compound, to assure the patients that they would not have to change their glasses. Within the past few years, a number of cases have come under my observation which have caused me to modify the above statement, and to question whether or not

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