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In addition to the clinical work of the laboratory, Major F. H. Stewart is carrying on experimental work on the causation of trachoma and Dr. F. Maxwell Lyons is conducting a careful investigation into factors bearing on the causation and treatment of spring catarrh. During the Fifteenth International Ophthalmologic Congress, which was held in Cairo, Dec. 8-14, 1937, the laboratory was visited by many members. During 1937 two postgraduate courses were given on medical and surgical ophthalmology, and 565 pathologic specimens were examined. Among these there were 91 eyes lost as the result of purulent ophthalmia. There were 68 specimens showing malignant tumors and 76 showing lesions due to trachoma. The presence of eosinophils is not regarded as important for the diagnosis of spring catarrh in Egypt, while the thin glistening tenacious membrane which forms on the tarsal conjunctiva on exposure to the air is a most valuable clinical sign.
Knapp A. Twelfth Annual Report of the Giza Memorial Ophthalmic Laboratory, Cairo, 1937. Arch Ophthalmol. 1939;21(5):902. doi:https://doi.org/10.1001/archopht.1939.00860050186021
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