Tables covering the causes of blindness, compiled by the Commission for the Blind of the New York State Department of Social Welfare, Jan. 13, 1955, show that in more than 40% of the cases covered the cause was "unknown to science." In a report by Lancaster and Foote1 published in The Journal of the American Medical Association, our blind population was placed at 260,000. They also estimated that 22,000 persons have their visual acuity reduced to 20/200 or less each year. Physicians attending the Eighth Annual Assembly of the American Academy of General Practice heard that approximately 27,500 Americans became blind during 1955—a record-breaking figure. Another 1,000,000 persons are estimated to be blind in one eye. Studies show that about 12% of blindness is due to uveitis, and the actual percentage must be greater when one considers the cases diagnosed clinically as primary glaucoma, which on pathological examination, after
LUBART J. Sinusitis and Nonspecific Endogenous Ocular Inflammation. AMA Arch Otolaryngol. 1958;67(3):334–343. doi:10.1001/archotol.1958.00730010342010
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