The commoner diseases of the eye : how to detect and how to treat them . ion are the syphiliticaffections, hereditary and acquired, of the eye. It is well to remember that syphilitic eye lesionsalmost always furnish valuable evidence of thenature of the process. For example, in lues theappearances and course of the corneal infiltration,of the choroidal exudates, of the iridic inflamma-tion, of the oculo-muscular parescs are so sig-nificant of the underlying infection that the) arc OPHTHALMOLOGY IN MEDICINE 383 quite as valuable in establishing its presence asare the signs discoverable in any o
The commoner diseases of the eye : how to detect and how to treat them . ion are the syphiliticaffections, hereditary and acquired, of the eye. It is well to remember that syphilitic eye lesionsalmost always furnish valuable evidence of thenature of the process. For example, in lues theappearances and course of the corneal infiltration,of the choroidal exudates, of the iridic inflamma-tion, of the oculo-muscular parescs are so sig-nificant of the underlying infection that the) arc OPHTHALMOLOGY IN MEDICINE 383 quite as valuable in establishing its presence asare the signs discoverable in any other organ. Dyspepsia; Diseases of the ReproductiveOrgans.—Local diseases of distant parts mayseriously affect the eyesight. This is, for example,true of the organs that compose the digestivetract and the reproductive system. Impairednutrition and defective elimination are undoubtedcauses of asthenopia. As a matter of fact thevisual act is in the main a muscular one andanything that lowers the general tone also weak-ens the ciliary and extrinsic muscles. In treating. Syphilitic Disseminated Choroiditis. cases of muscular asthenopia, therefore, thisshould always be borne in mind, and tonics, regu-lation of the dietary and the employment of allmeasures tending to correct the digestive viceshould be prescribed. The same observations hold with uterine and %4 COMMONEK DISEASES 01 1 1 i I. EY] ovarian complications. The asthenopic symp-toms (kopiopia), set up by these, do not dis-appear unless the former disappear. Buller hascalled attention to a common form of oculo-mus-cular fatigue that for this reason is sometimes in-curable. The ophthalmologist will rind that mosteye symptoms are aggravated at the menstrualperiod. Insomnia from any cause is an effectivebar to the relief of the accommodative fatigue,the photophobia, the eye-pains, the extrinsic mus-cular anomalies and the other ocular symptomsfrom which a certain class of patients suffer. Tuberculosis.—Apart from the so-calle
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