
CONVERSION FORMULA FOR SNELLEN SYMBOLS
D. G. Allen, M.D.
Cleveland; 1021 Prospect Avenue
Arch Ophthal. 1943;30(6):810.
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To the Editor.
—Dr. Gabriel's equations, which appeared in the July issue (ARCH. OPHTH. 30: 138, 1943) are simple and correct for conversion from the Snellen to the Navy terminology. Why not make the method still simpler?
This soon forms a picture in the examiner's brain, and the process becomes semiautomatic.
. . . [Full Text PDF of this Article]
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