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To the Editor.
—In the September 1977 issue of the Archives (95:1529-1537), we published a paper on posterior polymorphous dystrophy. The bibliography did not include the excellent work of Dr Merrill Grayson entitled: "The Nature of Hereditary Deep Polymorphous Dystrophy of the Cornea: Its Association With Iris and Anterior Chamber Dysgenesis," which appeared in the Transactions of the American Ophthalmological Society (72:516-559, 1974).We apologize for this error, especially since Dr Grayson was so kind as to let us read the manuscript before his work was published. Certainly Dr Grayson's outstanding contribution should be a part of any discussion of posterior polymorphous dystrophy.
Cibis G, Krachmer JH, Phelps CD, Weingeist TA. Additional Reference on Polymorphous Dystrophy. Arch Ophthalmol. 1978;96(5):911. doi:10.1001/archopht.1978.03910050507030