. Electricity in diseases of the eye, ear, nose and throat . dy. Asmall piece of prolapsed iris was excised. The re-covery was rapid. The metal was 5 X ^ ni. m. In two analogous cases, Rothmund and McHer-dy used the large magnet and the capsule was in-jured by the foreign body and cataract has replaced the large magnet by hisown small model. Foreign Body in the Lens.—Hirschberg cites thefollowing,—A man received an injury and presenteda small foreign body at the periphery of the iris. I magnetized the point of a cataract knife withthe point of the magnet and punctured the
. Electricity in diseases of the eye, ear, nose and throat . dy. Asmall piece of prolapsed iris was excised. The re-covery was rapid. The metal was 5 X ^ ni. m. In two analogous cases, Rothmund and McHer-dy used the large magnet and the capsule was in-jured by the foreign body and cataract has replaced the large magnet by hisown small model. Foreign Body in the Lens.—Hirschberg cites thefollowing,—A man received an injury and presenteda small foreign body at the periphery of the iris. I magnetized the point of a cataract knife withthe point of the magnet and punctured the cornea atthe peripheral border and directed the point to theforeign body and extracted it with the magnet andthen removed the crystalline masses and obtainedan excellent visual result. In an analogous case, Hirschberg left the crys-talline masses in the eye to be absorbed. Intenseirido-cyclitis followed; the masses were extra©ted,leaving a pupillary exudate and a doubtful possibil-ity of obtaining a clear pupil. S96 ELECTRICITY IN DISEASES OF THE 718 719 De Zeng Electric Rectinoscopes. CHAPTER VII. DISEASES OF THE RETINA. Retinitis Pigmentosa.—Wlien we consider thepathology of advanced retinitis pigmentosa,—^theretina atrophied and infiltrated with pigment, andthe vessels sclerosed and narrowed, it is not remark-able that so many authors leave the subject of treat-ment without notice or briefly dismiss it in such de-spairing terms, as,—to assert that treatment is una-vailing and powerless to check the progress of thedisease, which almost always terminates in blindness. Mayer remarks that iodine, iron, mercury, cod-liver oil, local blood-letting and coUyria of atropineand calabar have all been tried with negative re-sults. Again electricity comes to the rescue andoffers at least sufficient improvement to warrantevery oculist giving it a trial before judging a caseirremediable. The following are illustrative of the caseswhich have come under my own care.— Case
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