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To the Editor:
—In the past few years the treatment of intraocular dynamics in mathematical terms has become increasingly popular. Unfortunately, though there is little disagreement as to the form the equations should take, the tendency has been for a different set of symbols to be brought into use in each laboratory. This was not too serious when the exchange of substances between the blood and aqueous humor alone was being considered. Now, however, the exchanges between all the tissues and fluids of the eye are being formulated in terms of a dozen or more constants, and much unnecessary confusion would be avoided if a uniform and logical system of symbols were employed.Accordingly, we developed a system which we circulated to those workers we knew to be active in the field. Apart from some criticism of detail it found a ready acceptance. The scheme has been modified to take
Duke-Elder S, Maurice DM. SYMBOLS FOR EXPRESSING INTRAOCULAR DYNAMICS. AMA Arch Ophthalmol. 1958;59(1):146-147. doi:10.1001/archopht.1958.00940020174016