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June 1943


Arch Ophthalmol. 1943;29(6):1025. doi:10.1001/archopht.1943.00880180175017

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To the Editor:  —Reference is made to the letter of Dr. Arthur Linksz appearing on page 662 of the April 1943 Archives. Attention is invited to the fact that this letter is in error as it pertains to "all tests given by the military services." The statement of Dr. Linksz is true with regard to the Navy and Coast Guard, whereas designation in the Army is in accordance with the standard Snellen procedure based on examining distance of 20 feet (6 meters).Dr. Linksz's formula apparently would obtain for visual acuity designations up to 20/400 but is believed to require modification for poorer degrees of vision, such as 5/400.

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